Dottie 2-Nail 3-conductor staple is specifically designed to attach NMC or BX cable to wooden studs. It features 12-Gauge steel construction for added durability. The staple has a dimension of 1-3/16-Inch x 9/16-Inch. It is perfect for use with 10-3-AWG, 12-3-AWG, 14-3-AWG romex, BX and other cables.