The only way to firmly secure residential cables to wooden studs is with Romex™ brand staples! These metal staples are manufactured from carbon steel to provide strength and reliability. Romex™ brand staples are engineered with recessed heads to protect cable jackets, sharper tips for easier starting and are practically oil-free for cleaner handling. Romex™ brand staples are available in 1/2" and 9/16" width sizes and are designed to a contractor-preferred length to accommodate varying cable size ranges. These metal staples are intended to be driven into wood with a hammer. For securing 14-2, 12-2 & 10-2 NM Cable Also works with: Armored Cable 14-2 & 14-3, Metal Clad 14-2 & 14-3 and Underground Feeder 14-2 & 12-2