PEC 4 Piece Combination Square Set - Model: U-35 Blade Length: 12" Protractor Head Type: Non-reversible Graduation: 16R(32nds, 64ths, 50ths, 100ths) Type of Reading: Inch Can be used for set-ups, layouts, checking heights, depths, angle set-ups, etc. Square head and blade. Satin chrome blade. Made in the USA.