Large cutter five sizes ranging from ╜" 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".