Combination Squares consist of a photo-engraved, hardened and tempered steel rule (or blade) on which is mounted an adjustable square head. As the name indicates, combination squares can be used for many different purposes - a complete substitue for a whole set of common sold try squares, a 45 degree miter, depth gage, a height gage, a marking or scribing gage, a level, a plumb and by withdrawing the blade it can also be used as a precision rule.
The Starrett 12" Combination Square with Square Head features a reversible lock bolt, scriber, spirit level, and hardened steel, photo-engraved blade with regular This product also includes a cast iron head with black wrinkle finish. 12", 4R Grad, Regular Blade.
The Starrett 6" Combination Square with Square Head includes a reversible lock bolt, scriber, spirit level (except 4"), and hardened steel, photo-engraved blade with regular or satin chrome finish. The combination square includes a cast iron head with black wrinkle finish. 6", 4R Grad, Satin Chrome Blade.
Starrett 55 hardened steel squares are the same as the 20 squares, except that the blades are beveled on both edges of each side, which provides an excellent visual line contact with the work. 3" (75mm) Blade, 2 3/8" (60mm) Beam.
The Starrett C183 Steel Protractor is a highly useful and accurate tool for setting bevels, transferring angles, small squaring tasks, checking cutter clearances within certain limits, and many other applications. Includes double graduations from 0-180 Deg in opposite directions permitting the direct reading of angles and supplementary angles. The back of the tool is flat for ease of use. The blade can be locked firmly at any angle by the lock nut. The protractor also includes a satin chrome finish for ease of reading and resistance to rust. 6" (0-180 Deg) with Rectangular Head.