Bag of 10 | Extends a Conduit System or Connects Two Steel Boxes or Other Metal Enclosures | Insulating or Joining 1 or More Aluminum to Copper Conductors | Roadway, Parking Lot, Retail, Security, Street, Wall Wash | Standard Round Replacement Die for Use With Standard Knockout Punches. Use With Batter-Powered, Hydraulic, Ratchet or Manual Drivers