Gardner Bender MPS-2100 Cable Boss Staple,   Inch., Secures: Coax: RG-6, Voice/Data: CAT 6, (NM) Non-Metalic 14/2, 14/3, 12/2, 200 Pk., White Secures: RG-6, Cat6, voice and data cable, and 14/2, 14/3, 12/2 NM cable Barbed legs: 2 barbs for superior holding strength in wood Specially designed for cable boss staple gun (msg-501 & msg-501b) UL listed Secures: round & flat cable Unique staple design Two barbs for superior holding strength in wood Secures round and flat cable including RG-6, cat 6 voice and data cable, and 14/2, 14/3, 12/2 NM cable White 3/8-Inch