Arrow Fastener 591189 Genuine T59 Insulated Clear 5/16-Inch by 5/16-Inch Staples, 300-Pack For Use With Rg59 Quad &amp; Rg6 Cable Ideal for installing telephone wires, TV cables, computer cables, security systems, and more Staples are insulated for maximum protection 300 clear, insulated staples Dimensions: 5/16-inch by 5/16-inch Fits Arrow's T59 Wiring Tacker Accepts wire up to 5/16-inch in diameter Perfect for RG59 Quad or RG6 wire