Greenlee Intellipunch 11 Ton Hydraulic Knockout Slug Buster Set SB 1/2-In to 4-In

This set is made specifically for cutting mild steel, aluminum, fiberglass and plastic. 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. Gator Eye® compatible - with i-Press™ software, monitor tool performance including peak forces and number of cycles. Easy threading - draw studs with "dog point" tip helps eliminate cross-threading. Hex key access for easy removal from tool.