This small cutter features seven sizes ranging from 1/4" to 5/8". Cut perfect circles every time! The holes have been drilled, reamed and then honed to make this the finest and cleanest cutter available. The punches are oil-quenched tool steel and drawn for hardness and durability. The bottom base is case-hardened and ground. Cuts metal up to 14 gauge. Sizes of circles are 1/4", 5/16", 3/8", 7/16", 1/2", 9/16" and 5/8". Measures 2 x 2. Weighs 1 lbs. 10 oz