Best Square Protractor

Starrett Combination Set with Square Center and Reversible Protractor Head and Blade - 12 Blade Length Cast Iron Heads Reversible Lock Bolts 4R Graduation - 435-12-4R

  • Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
  • Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
  • Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
  • Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
  • Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....
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Starrett Combination Set with Square Center and Reversible Protractor Head and Blade -12 Blade Length Forged and Hardened Steel Heads 4R Graduation Type - 434-12-4R

  • Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
  • Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
  • Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
  • Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
  • Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....
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Starrett Combination Set with Square Center and Reversible Protractor Head and Blade - 12 Blade Length Cast Iron Heads Hardened Steel 4R Graduation Type - C435-12-4R

  • Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
  • Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
  • Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
  • Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
  • Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....
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Starrett Combination Set with Square Center and Reversible Protractor Head and Blade - 300mm Blade Length Forged and Hardened Steel 35 Graduation Type - C434M-300

  • Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
  • Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
  • Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
  • Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
  • Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....
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Starrett Combination Set with Square Center and Reversible Protractor Head and Blade - 11-3/4 Blade Length Reversible Lock Bolts Scriber 36 Graduation Type - C434ME-300

  • Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
  • Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
  • Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
  • Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
  • Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....
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Starrett Combination Set with Square Center and Reversible Protractor Head and Blade - 12 Blade Length Forged and Hardened Steel 16R Graduation Type - C434-12-16R

  • Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
  • Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
  • Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
  • Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
  • Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....
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Starrett Combination Set with SLC Square Center and Reversible Protractor Head - 12 Blade Length Forged and Hardened Steel Heads 4R Graduation Type - C434-12-4RW/SLC

  • Easy to Use - The square head can be moved up and down on the rule with a lockable assembly and a specially designed bolt to engage the slot for....
  • Perfect Attachment - The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square....
  • Get Accurate Measurements - The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite....
  • Complete Quality Made Tool - The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can....
  • Versatile Layout Tool - Starrett squares are offered in a practical variety of styles to suit the needs of the individual, whether it be a toolmaker,....
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Mr. Pen Geometry Set with 6 Inch Swing Arm Protractor, Divider, Set Squares, Ruler, Compasses and Protractor, 15 Piece Set

  • Geometry Set For All Levels Designed in USA.
  • Package Includes 15 Piece: 2 Metal Compasses (1 Study Compass & 1 Graphic Compass), 1 Extra Lead for Graphic Compass, 1 Metal Divider, 2 Pencils for Compass, 1 Mechanical Pencil (0.5 mm) for Compass, 1 Pack of 0.5 mm Lead for Mechanical Pencil, 1 Eraser, 1 Metal Pencil Sharpener, 1 Ruler (6”), 1 Set Square (30°/60°), 1 Set Square (45°), 1 Protractor, 1 Protractor with Swing Arm (6”).
  • 15 Piece Geometry Set, Compass Set in a Reusable Pouch, Easy to Carry and Store.
  • The Math Set/Geometry Set Designed by Experienced Math Experts with All Essential Items for Teachers and Students at Any Level.
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General Tools MG-S278-4R Combination Set with Square and Center Head, Reversible Protractor Head

  • THREE MEASURING HEADS: Combines the power of a square, ruler, protractor and centering gauge in one convenient design..
  • SQUARE HEAD: Provides 45- and 90-degree angles and also features a level and hardened scriber..
  • REVERSIBLE PROTRACTOR HEAD: Measures odd angles with precision and accuracy..
  • CENTERING HEAD: Allows you to find the middle of round stock..
  • GRADUATIONS: 4R (Every 8th, 16th, 32nd and 64th of an inch)..
  • BLADE DETAILS: Made with an etched high carbon steel blade that has a satin finish, and measures 12" in length (305mm)..
  • MEETS: Government specification, GGG-S-656C..
  • GENERAL TOOLS: We're a recognized leader in designing and developing specialized precision tools dedicated to delivering exceptional customer service. We encourage artisans and DIYers to work smarter, measure better, and repair more productively..
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