IAN-28.24 COTTLE CHISEL, 18CM, 4MM, CROSS BAR, GRADUATED IAN-28.27 COTTLE CHISEL, 18CM, 7MM, CROSS BAR, GRADUATED IAN-28.29 COTTLE CHISEL, 18CM, 9MM, CROSS BAR, GRADUATED IAN-28.32 COTTLE CHISEL, 18CM, 12MM, CROSS BAR, GRADUATED