The Gardner Bender 114 in x 12 in graphite metallic steel staples for NM cables are designed to secure 142, 122 and 102 NM cables These straightdriving, burrfree, steel staples feature sharper tips so the legs drive in straight without splitting wood and have recessed heads to protect cable jackets Virtually oilfree for cleaner handling and engineered to contractor preferred length Designed to be driven into wood with a hammer