Arrow Fastener 591189SS Genuine T59 Stainless 5/16-Inch by 5/16-Inch Staples, Clear, 300-Pack 300 black, stainless steel staples 5/16-inch leg length by 5/16-inch crown size Fits Arrow's T59 wiring tacker Great for soft woods Perfect for RG59 Quad or RG6 wire Made in the USA Stainless steel construction for corrosion resistance