Greenlee 744BB Standard Round Knockout Punch 6-3/4 Inch.

FEATURES:
• Use in mild steel ranging from 16 gauge to 10 gauge thinkness.
• Requires lower force than the competition in both hydraulic and manual applications.
• Tapered Punch design for easy diassembly
• Made in the USA

SPECIFICATIONS:
• Conduit Size: 6"
• Actual Hole Size: 6-3/4”
• Pilot Hole Size: 1-7/32”
• Weight: 35.75 lbs