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Knockout Punches for Stainless Steel by Greenlee

New LARGER punches for stainless steel; 2-1/2", 3", 3-1/2" and 4" holes in up to 10 Gauge Steel.


  • Makes clean and accurate holes.
  • For conduit sizes 2-1/2", 3", 3-1/2" and 4".
  • Rated for punching in up to 10 gauge stainless steel.
  • Excellent abrasion resistance for punching fiberglass and plastic.
  • Kit includes punches, dies, draw stud and sleeve.
  • High-Impact, rugged plastic carrying case (kit only).

 Stainless Steel Knockout Data Sheet