The Gardner Bender 1-1/4 in x 1/2 in graphite metallic steel staples for NM cables are designed to secure 14/2, 12/2 and 10/2 NM cables. These straight-driving, burr-free, steel staples feature sharper tips so the legs drive in straight without splitting wood and have recessed heads to protect cable jackets. Virtually oil-free for cleaner handling and engineered to contractor preferred length. Designed to be driven into wood with a hammer. Made in the USA.