Gardner Bender PS-1550 1/2-Inch White Insulated Romex Staples, 15-Pack Fasten 1/2" and 3/4" Romex cables safely and securely with non-conductive plastic staples Use with UF and NM cable up to 3-conductor (10) Fast and easy to install, drive both zinc plated nails together without splitting wood Nail heads are recessed for minimum exposure Smooth saddle, 3/8-Inch wide, prevents damage to insulation