This small cutter features seven sizes ranging from 1/8" to 1/2". Cut perfect circles every time. The holes have been drilled, reamed and then honed to make the fines 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 2" x 2".