Greenlee 28156 Slug-Splitter Self-Centering Knockout Punch, 1-1/9-Inch Replacement Parts 9-Percent pure copper for spark

9-Percent pure copper for spark free use in explosive environments Softer copper heads will not mar struck objects Ideal for coal mining

Minimum chuck size of 3/8-Inch

Hard walled pipes

Aluminum die-cast tool features a hardened steel blade that is reversible for two cutting edges and is also sharpenable

All purpose down head fitting

Greenlee 28156 Slug-Splitter Self-Centering Knockout Punch, 1-1/9-Inch Replacement Parts 9-Percent pure copper for sparkGreenlee Slug Splitter SC heavy duty punches are designed to punch up through 10 gauge (3. 5 mm) stainless steel. Unique slug splitting design and tool steel construction easily punch 10 gauge (3. 5 mm) mild steel and stainless steel. The self centering punch aligns itself on pilot hole. No need to draw crosshairs or line up die alignment marks. The unique punch profile also splits slugs for easier slug removal. The dies and stainless steel draw studs