Greenlee 24477 Standard Round Knockout Punch Unit 40.5 mm Other Tools These wheels are made from

These wheels are made from high quality white aluminum oxide grains that are sharper and cooler cutting than regular aluminum oxide grains Ideal for grinding drill bits and other hardened steel and alloy cutting tools where over-heating will affect temper All wheels are supplied with telescoping bushings from 1-Inch through 1/2-Inch Please refer to 599033 and 599045 for information on bushings

includes captive pin

06 inchesPort size1/4" NPTFWeight17 lb

Epoxy coated metal reel for compact tangle-free storage

Greenlee 24477 Standard Round Knockout Punch Unit 40.5 mm Other Tools These wheels are made fromPUNCH UNIT ASSY, 40. 5MM BB From the Manufacturer Greenlee round standard metal punch units are complete units consisting of punch, die and draw stud. They can punch quick clean holes through metal up to 10 gauge (check specs for specific punches). They can be used with battery powered, hydraulic, ratchet or manual drivers. Properly assembled through pilot holes, they will make clean, fast and accurate holes. After cutting the slug falls free in the