Getting hard work done gets easier with a Century Drill & Tool Star Screwdriving Bit. The screwdriving bit is made from premium grade steel to ensure optimal performance in all applications. It has undergone Century's patented heat treatment process, which provides maximum shock absorption associated with impact-ready power tools. The bit, designed for use in standard and cordless impact drivers, is a versatile and welcome addition to any toolset. Screwdriving bit made from premium grade steel to ensure optimal performance in all applications Century's patented heat treatment process provides maximum shock absorption associated with impact-ready power tools Precision ground tip for maximum contact and secure grip For use in standard and cordless impact drivers 1-inch overall bit length