The Allpax AX1302 Hollow Punch Kit, 27-Piece. Quickly and easily cut precision bolt holes in flange gaskets. Select the desired diameter cutting head, mount handle, position on gasket material, and strike! Patented locking system allows rapid interchange of cutting heads. Unique design performs single diameter (hole) cuts as well as dual diameter (ring) cuts in one operation. Hardened steel cutting heads stay sharp. Features hardened steel hollow cutting heads, sizes 1/8" to 2", chrome plated, knurled steel handle. Rugged, polypropylene storage case. 27 Piece Kit includes 1 1/8", 1 3/16", 1 1/4", 1 5/16", 1 3/8", - 7/16", 1 1/2", 1 9/16", 1 5/8", 1 3/4", 1 7/8", 1 1", 1 1-1/16", 1 1-1/8", 1 1-3/16", 1 1-1/4", 1 1-5/16", 1 1-3/8", 1 1-7/16". Dimensions: 12-1/2" long by 9-3/4" high by 2" wide. Weighs 6.1 lb.