Product Description The Current Tools 152PM Hydraulic Knockout Set punches holes from 1/2" to 2" in mild steel up to 10 gauge (.134"). The included Piece Maker punches are designed to split the slug into two pieces for easy removal from the die. All items including punches & dies will fit Greenlee Knockout Sets. Made in the USA. This kit includes the following: (1ea) Ram (Includes #2), (1ea) 3/4" Draw Stud, (1ea) 3/8" Adapter Draw Stud, (1ea) Short Spacer - S, (1ea) Medium Spacer - M, (1ea) Hydraulic Hand Pump, (1ea) 1/4" x 3' Hydraulic Hose, (1ea) 1/2" Piece Maker Punch, (1ea) 1/2" Die, (1ea) 3/4" Piece Maker Punch, (1ea) 3/4" Die, (1ea) 1" Piece Maker Punch, (1ea) 1" Die, (1ea) 1 1/4" Piece Maker Punch, (1ea) 1 1/4" Die, (1ea) 1 1/2" Piece Maker Punch, (1ea) 1 1/2" Die, (1ea) 2" Piece Maker Punch, (1ea) 2" Die, (1ea) Plastic Carrying Case - 1/2" to 2" Set. From the Manufacturer The 1/2-Inch to 2-Inch hydraulic knockout set is designed to split the slug in two pieces for easy removal and requires less force than conventional punches. Is fast set up with high strength steel punches and dies for long life. Punch time is reduced versus manual or ratchet methods. This unique hand pump is designed with heavy duty ram and is designed to punch a maximum of 10-Gauge mild steel.