GREENLEE, 6 Pieces, 10 ga Max Sheet Metal Capacity-Steel, Knockout Punch Driver Set - 5C632|7238SB - Grainger
GREENLEE, 10 ga Max Sheet Metal Capacity-Steel, Falls Free, Round Knockout Punch Kit - 3UME6|735BB - Grainger
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Greenlee - 7235BB - Slug-Buster Manual Knockout Punch Kit,Conduit Size 1/2" to 1-1/4",5.2 lb (2.4kg) - RS
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Greenlee 7907SBSP SPEED PUNCH Conduit Knockout Punch Kit, 0.5 to 2" conduit size, 10 gauge maximum capacity
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Tempo Greenlee 737BB Knockout Punch Kit, 1-1/2-Inch and 2-Inch Conduit Size : Amazon.ca: Tools & Home Improvement
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