The Starrett 12″ Combination Set with Square includes a reversible lock bolt, scriber, spirit level in both square head and protractor head, direct reading double 180 Deg protractor scale, and hardened steel, photo-engraved blade. The combination set with square also includes a cast iron head with a black wrinkle finish. 12″, 4R Grad, Regular Blade. The square head has a precision ground 90° square face and a 45° miter face. It is a highly versatile layout tool for scribing right angles and parallel lines, and a measuring tool that can be used as a tri-square, miter, depth gage, height gage, and level. The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square work. The Protractor Head is another available attachment. It has revolving turrets with direct-reading double graduations, a full 0 to 180° in opposite directions. This permits accurate and quick direct reading of angles above or below the blade. The Starrett name has always been associated with squares because our founder, Laroy Starrett, invented the combination square in 1877. The success of this tool led to the beginning of The L.S. Starrett Company in 1880. The combination square is one of the world’s most practical and versatile tool inventions – the basic tool for every builder and craftsman.
Is Discontinued By Manufacturer : No
Product Dimensions : 1 x 1.4 x 12.3 inches; 2.16 Pounds
Item model number : 9-12-4R
Date First Available : November 9, 2004
Manufacturer : Starrett
ASIN : B000E62NFA
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 stability and versatility while measuring.
Perfect Attachment – The Center Head is an available attachment that provides an easy means of accurately locating the center of cylindrical or square work.
Get Accurate Measurements – The protractor head has revolving turrets with direct-reading double graduations, a full 0 to 180° range in opposite directions which permits accurate and quick direct reading of angles above or below the blade.
Complete Quality Made Tool – The set includes the rule, square, protractor, and center heads that are made from durable hardened steel, which can withstand even the most strenuous jobs. It’s perfect for any construction project or DIY task.
The Standard for Excellence – Proudly made in the USA, Starrett combines over 140 years of American heritage and innovation with globally sourced materials to deliver exceptional quality tools and products.
Starrett Combination Set with Square, Center and Non-Reversible Protractor Head

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