Large cutter features five sizes ranging from 1/2" to 1". Cut perfect circles every time! The holes have been drilled reamed and then honed to make 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. Measures 3 x 2-3/4.