Empire 220 Polysquare combination square features a 12 In. satin steel blade with inch graduations. Durable Polycast head will stand up to daily job site use. Self-aligning drawbolt allows for fast adjustments to the blade depth. No. 220: Length: 12 In., Measurement Type: English, Graduations: 1/8 In., 1/16 In., 1/32 In., Material: Steel, Handle Material: Plastic, Pkg Qty: 1, Package Type: Card