Gardner Bender MS-1575 Metal Cable StaplesGardner Bender MS-1575 Metal Cable Staples Features:; Choose from two sizes for NM BX AC MC UF and other cables; Recessed head drives faster and protects cable insulation; Sharp pointed legs drive in straight will not split wood; MS-1555: 1/2 For NM Cable 50 per card; MS-150: 1/2 x 1 100 per box; MS-1575: 9/16 x 1-1/4 for 3 conductor #10 & #12 NM BX UF and other cable 18 per card; MS-1577: 9/16 x 1-1/4 for 3 conductor #10 & #12 NM BX UF and other cable 50 per card; MS-175: 9/16 x 1-1/4 for 3 conductor #10 & #12 NM BX UF and other cable 100 per box The Gardner Bender.56-Inch Metal Staples are constructed of high-quality carbon steel. They feature a recessed head that drives faster and protects cable installation. The pointed legs drive in straight and will not split wood. These.56-inch wide staples are 1.25 inches long and accommodate 3-conductor #10 and #12 Romex BX and UF cables and other types of cable. Gardner Bender has 50 years of experience making professional electrical tools and supplies of consistently superior quality so you can count on high-performance products at a fair price.