The DRS18100 1" Insulated Cable Staples are designed for use in the DEWALT DCN701 Cordless Cable Stapler. They are UL listed (406A) for common Romex (NM Sheathed Cable), and MC (Metal Clad) cable applications. The staple crown is plastic insulated and these fasteners adhere to the National Electrical Code. These staple DEWALT DRS18100-1In Insulated Elect Staples 540 Qty