Greenlee 35177 Slug-Buster Knockout Punch Unit, 0.638-Inch Hydraulics Tools The jaw of this plier

The jaw of this plier is made of steel and opens to a 2" maximum

you don’t have to drain water lines

1/4-Inch 6 ft hydraulic rubber hose

Highest fibreglass content for maximum strength Polymer jacketed to prevent splintering PVC grips for user comfort and safety Forged steel heads are hardened and tempered for professional use New improved bonding technology rated for use to-25-Degree C Meets ANSI specifications

Also its jaws are smooth and toothless which is ideal for square or rectangular stock

Greenlee 35177 Slug-Buster Knockout Punch Unit, 0.638-Inch Hydraulics Tools The jaw of this plierPUNCH UNIT 16. 2MM 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. Operates with battery, hydraulic, ratchet or manual drivers.