The Gardner Bender 3/16 in. White Polyethylene Low-Volt Staples secure bell, speaker, thermostat, and telephone wire. These staples feature UV-resistant polyethylene saddles for excellent resistance to rust, rot and deterioration. The zinc-plated nails resist rust and corrosion, making this staple ideal for both indoor and outdoor applications and with only one nail per staple installation is quick and easy.