Capri Tools 30071 16mm XZN Triple Square Impact Bit Socket with 1/2-Inch Drive, Standard Drop forged Chrome Moly steel socket to ensure strength and durability 16mm XZN triple square impact socket bit in 1/2-inch drive, 1.65-inch in length Power tools are compatible with this high quality XZN socket The socket bit comes with a lifetime replacement guarantee from Capri Tools A special coating is used to resist corrosion