Pushbutton (Oiltight) Knockout Punch – 22.5mm

For punching holes in mild steel, stainless steel, aluminum, brass, copper, fiberglass and plastics Time Saver – maximum cycle time of 8 seconds Patent-Pending Auto-Retract Technology – Pressure-sensing technology accurately detects punch completion and automatically retracts the ram, for longer tool life 360° Rotating Head – Rugged, patent-pending swivel design to punch at any angle Compact, Ergonomic Design – Ergonomic tapered grip for easy one-handed operation Slug-Buster® knockout set punch profile splits slugs for easy slug removal Knurled edge on punches for better grip New die design optimized for widest range of materials and drivers
To view more info on the Greenlee site Click Here