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Squares & Protractors

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Measuring squares consist of two straight edges set at a 90-degree angle to each other. The primary purpose of these measuring tools is to check the accuracy of right angles to ensure that components remain perpendicular. Similarly, protractors are a measurement device used to measure angles.

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29 results
Product SKUs information
Item Code Price range Availability Graduations Special Offer Blade Length Type Brand View
$344.00 - $344.00 Click here for lead time.
8ths, 16ths, 32nds, 64ths
New
304.8 mm
Combination Squares
Starrett
$432.00 - $432.00 13 In stock
8ths, 16ths, 32nds, 64ths
New
304.8 mm
Combination Squares
Starrett
$134.00 - $134.00 Click here for lead time.
8ths, 16ths, 32nds, 64ths
New
152.4 mm
Combination Squares
Starrett
$463.00 - $463.00 Click here for lead time.
32nds, 64ths, 50ths, 100ths
New
304.8 mm
Combination Squares
Starrett
$122.00 - $122.00 22 In stock
32nds, 64ths
New
152.4 mm
Engineer's Squares
Starrett
$120.00 - $120.00 Click here for lead time.
New
152.4 mm
Protractors
Starrett
$142.00 - $142.00 Click here for lead time.
8ths, 16ths, 32nds, 64ths
New
304.8 mm
Combination Squares
Starrett
$404.00 - $404.00 Click here for lead time.
8ths, 16ths, 32nds, 64ths
New
304.8 mm
Combination Squares
Starrett
$120.00 - $120.00 Click here for lead time.
New
152.4 mm
Protractors
Starrett
$26.77 - $26.77 Click here for lead time.
152.4 mm
Protractors
General Tools
$39.24 - $39.24 Click here for lead time.
Protractors
General Tools
$26.80 - $26.80 Click here for lead time.
Angle Indicators
Dasco Pro Inc
$17.83 - $17.83 Click here for lead time.
Angle Indicators
Dasco Pro Inc
$111.15 - $111.15 Click here for lead time.
1/8, 1/16, 1/32, 1/64 (4R)
152.4 mm
Combination Squares
Starrett
$70.35 - $70.35 Click here for lead time.
8ths, 16ths; Quick Reading 32nds, 64ths
304.8 mm
Combination Squares
Starrett
$354.01 - $354.01 Click here for lead time.
1/100, 1/64, 1/50, 1/32 in
304.8 mm
Combination Squares
Starrett
$113.26 - $113.26 Click here for lead time.
1/8, 1/16, 1/32, 1/64 (4R)
304.8 mm
Combination Squares
Starrett
$99.63 - $99.63 Click here for lead time.
1/64
101.6 mm
Engineer's Squares
Starrett
$141.75 - $141.75 Click here for lead time.
1/8, 1/16, 1/32, 1/64 (4R)
304.8 mm
Combination Squares
Mitutoyo
$311.00 - $311.00 Click here for lead time.
8th, 16ths; Quick Reading 32nds, 64ths
304.8 mm
Combination Squares
Starrett
  • of 2
Combination Squares - 8ths, 16ths, 32nds, 64ths;304.8 mm;Steel

STR-435124R

Price Range
$344.00 - $344.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    304.8 mm
  • Special Features
    Reversible Protractor Head
Combination Squares - 8ths, 16ths, 32nds, 64ths;304.8 mm;Steel

STR-C434124R

Price Range
$432.00 - $432.00

Stock Levels
13 In stock
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    304.8 mm
  • Special Features
    Reversible Lock Bolt
Combination Squares - 8ths, 16ths, 32nds, 64ths;152.4 mm;Steel

STR-C11H64R

Price Range
$134.00 - $134.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    152.4 mm
  • Special Features
    Reversible Lock Bolt
Combination Squares - 32nds, 64ths, 50ths, 100ths;304.8 mm;Steel

STR-C4341216R

Price Range
$463.00 - $463.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    32nds, 64ths, 50ths, 100ths
  • Blade Length
    304.8 mm
  • Special Features
    Reversible Lock Bolt
Square - 32nds, 64ths;152.4 mm;Steel

STR-13C

Price Range
$122.00 - $122.00

Stock Levels
22 In stock
Attributes
  • Brand
    Starrett
  • Type
    Engineer's Squares
  • Graduations
    32nds, 64ths
  • Blade Length
    152.4 mm
  • Special Features
    Level Vial
Protractors - C19

STR-C19

Price Range
$120.00 - $120.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Protractors
  • Blade Length
    152.4 mm
  • Range of Motion
    0-180
  • Special Features
    Blade Lock
Combination Squares - 8ths, 16ths, 32nds, 64ths;304.8 mm;Steel

STR-C11H124R

Price Range
$142.00 - $142.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    304.8 mm
  • Special Features
    Reversible Lock Bolt
Combination Squares - 8ths, 16ths, 32nds, 64ths;304.8 mm;Steel

STR-434124R

Price Range
$404.00 - $404.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    304.8 mm
  • Special Features
    Reversible Protractor Head
Protractors - C183

STR-C183

Price Range
$120.00 - $120.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Protractors
  • Blade Length
    152.4 mm
  • Range of Motion
    0-180
  • Special Features
    Blade Lock
Protractors - 17

GEN-17

Price Range
$26.77 - $26.77

Stock Levels
Click here for lead time.
Attributes
  • Brand
    General Tools
  • Type
    Protractors
  • Blade Length
    152.4 mm
  • Scale Dimensions
    3.375 x 2.00 in
  • Range of Motion
    0-180
Protractors - 30

GEN-30

Price Range
$39.24 - $39.24

Stock Levels
Click here for lead time.
Attributes
  • Brand
    General Tools
  • Type
    Protractors
  • Scale Dimensions
    3.875 in
  • Range of Motion
    0-180
  • Special Features
    Comes with #640 0.5 mm mechanical pencil
Angle Indicator; Dial Diameter=101 6 mm, Base Type=Magnetic Base

AF-400

Price Range
$26.80 - $26.80

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Dasco Pro Inc
  • Type
    Angle Indicators
  • Accuracy (Degree)
    0.5
  • Base Type
    Magnetic Base
  • Special Features
    V-Grooved for Use on Round Surface
Angle Indicator; Dial Diameter=69 9 mm, Base Type=Magnetic Base

AF-200

Price Range
$17.83 - $17.83

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Dasco Pro Inc
  • Type
    Angle Indicators
  • Accuracy (Degree)
    0.5
  • Base Type
    Magnetic Base
  • Special Features
    V-Grooved for Use on Round Surface
Combination Squares - 1/8, 1/16, 1/32, 1/64 (4R);152.4 mm;Steel

STR-50051

Price Range
$111.15 - $111.15

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    1/8, 1/16, 1/32, 1/64 (4R)
  • Blade Length
    152.4 mm
  • Head Material
    Cast Iron
Combination Squares - 8ths, 16ths; Quick Reading 32nds, 64ths;304.8 mm;Steel

STR-CB12-4R

Price Range
$70.35 - $70.35

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths; Quick Reading 32nds, 64ths
  • Blade Length
    304.8 mm
  • Thickness
    .094 in
Combination Squares - 1/100, 1/64, 1/50, 1/32 in;304.8 mm;Steel

STR-9-12-16R

Price Range
$354.01 - $354.01

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    1/100, 1/64, 1/50, 1/32 in
  • Blade Length
    304.8 mm
  • Special Features
    Case
Combination Squares - 1/8, 1/16, 1/32, 1/64 (4R);304.8 mm;Steel

STR-50055

Price Range
$113.26 - $113.26

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    1/8, 1/16, 1/32, 1/64 (4R)
  • Blade Length
    304.8 mm
  • Head Material
    Cast Iron
Square - 1/64;101.6 mm;Steel

STR-13A

Price Range
$99.63 - $99.63

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Engineer's Squares
  • Graduations
    1/64
  • Blade Length
    101.6 mm
  • Material
    Steel
Combination Squares - 1/8, 1/16, 1/32, 1/64 (4R);304.8 mm;Stainless Steel

MI-180-903

Price Range
$141.75 - $141.75

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Mitutoyo
  • Type
    Combination Squares
  • Graduations
    1/8, 1/16, 1/32, 1/64 (4R)
  • Blade Length
    304.8 mm
  • Head Material
    Cast Iron
Combination Squares - 8th, 16ths; Quick Reading 32nds, 64ths;304.8 mm;Steel

STR-9-12-4R

Price Range
$311.00 - $311.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8th, 16ths; Quick Reading 32nds, 64ths
  • Blade Length
    304.8 mm
  • Special Features
    Case
Combination Square Accessory - ;;Steel

STR-C111224

Price Range
$55.00 - $55.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Square Accessory
  • Head Material
    Cast Iron
  • Material
    Steel
  • Special Offer
    New
Combination Squares - 8ths, 16ths, 32nds, 64ths;304.8 mm;Steel

STR-C11HC124R

Price Range
$171.00 - $171.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    304.8 mm
  • Special Features
    Reversible Lock Bolt
Combination Squares - 8ths, 16ths, 32nds, 64ths;304.8 mm;Steel

STR-C9124R

Price Range
$363.00 - $363.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    304.8 mm
  • Special Features
    Reversible Lock Bolt
Combination Squares - 8ths, 16ths, 32nds, 64ths;304.8 mm;Steel

STR-C33H124R

Price Range
$166.00 - $166.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    304.8 mm
  • Special Features
    Reversible Lock Bolt
Combination Squares - 8ths, 16ths, 32nds, 64ths;152.4 mm;Steel

STR-C33H64R

Price Range
$159.00 - $159.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    152.4 mm
  • Special Features
    Reversible Lock Bolt
Combination Squares - 8ths, 16ths, 32nds, 64ths;101.6 mm;Steel

STR-C11H44R

Price Range
$120.00 - $120.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Squares
  • Graduations
    8ths, 16ths, 32nds, 64ths
  • Blade Length
    101.6 mm
  • Special Features
    Reversible Lock Bolt
Combination Square Accessory - ;;Steel

STR-H331224

Price Range
$0.098 - $0.098

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Starrett
  • Type
    Combination Square Accessory
  • Head Material
    Hardened Steel
  • Material
    Steel
  • Special Offer
    New
Rectangular Base Protractor - 968-203

MI-968203

Price Range
$51.86 - $51.86

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Mitutoyo
  • Type
    Rectangular Base Protractor
  • Graduations
    1 degree
  • Special Features
    Satin Chrome finish
  • Material
    Stainless Steel
Pro 360 Protractor - 950-317

MI-950317

Price Range
$326.48 - $326.48

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Mitutoyo
  • Type
    Pro 360 Protractor
  • Special Features
    Powered by 9V battery for 500 hour battery life, supplied in a fitted case
  • Material
    Aluminum
  • Special Offer
    New