Ridgid 17527 2-1/2-inch Knockout Punch This item is PUNCH, 17527 2-1/2 KNOCKOUT 17527 This product is used for hand-tool-center-punches This product manufacture by Japan Precision-ground 3-point punch Punch only, does not include other pieces Weighs 3-1/4 pounds Actual Hole size is 2-15/16-inches