• 1/2" - 4" HYDRAULIC KNOCKOUT KIT: Features a new die design optimized for the widest range of materials to punch precise holes in up to 10-gauge mild steel, 12-gauge stainless steel, aluminum, brass, copper, fiberglass, and plastics
• ERGONOMIC DESIGN: Compact, lightweight design offers portability and quick, easy 1-person operation, and knurled edge on punches provides a better grip
• EASY THREADING AND REMOVAL: Eliminates cross-threading by drawing studs with the dog point tip, and hex key access allows for stud easy removal from the tool

This is a gently used item and may show some signs of wear. The item has been tested and functions as it should.