The U-BITS are specifically designed to fit snugly and firmly on the Tight Star Recess of the U2 fasteners screw assortment. However, U2 fasteners also fit the traditional star drive. The U-BITS are Tip-Hard chrome plated. Top coating-electrostatic powder spray coating. They are also impact driver-ready: made of high carbon tool steel with added Vanadium and Molybdenum to prevent wear and tear.
 
This specific bit is the T-30, with a 2-inch length, crafted to be used with the U2 5/16" Construction Screw (variants of the 5/16" screw include a 4" length).

Sold individually.