Greenlee 36690 Manual Slug-Buster Knockout Punch Kit, Metric, PG-9 Through 30.5 mm

1-Inch (25.4 mm) hex ratchet wrench allows use with both 3/8-Inch (9.5 mm) and 3/4-Inch (19.1 mm) draw studs | 3/8-Inch (9.7 mm) Kwik Stepper step bit included | Includes PG size punches 9, 11, 13, 16, 21 and 30.5mm | High-impact, rugged plastic carrying case | Can be used on mild steel up to 10 gaugeAmazon.ca Product Description Greenlee Slug-Busters can be used on mild steel up through 10 gauge (3.5 mm). Application: Punch mild steel, aluminum, fiberglass and plastic. Hole size is outside diameter of using PG sizes: 9, 11, 13, 16, 21 and 30.5mm. Driver Kit include the Greenlee 1-Inch (25.4 mm) hex ratchet wrench allows use with both 3/8-Inch (9.5 mm) and 3/4-Inch (19.1 mm) draw studs. Includes a high impact carrying case. From the Manufacturer Greenlee Slug-Busters can be used on mild steel up through 10 gauge (3.5 mm). Application: Punch mild steel, aluminum, fiberglass and plastic. Hole size is outside diameter of using PG sizes: 9, 11, 13, 16, 21 and 30.5mm. Driver Kit include the Greenlee 1-Inch (25.4 mm) hex ratchet wrench allows use with both 3/8-Inch (9.5 mm) and 3/4-Inch (19.1 mm) draw studs. Includes a high impact carrying case.