Impact tough, 8 piece, 2", torx power bit set with clip for custom case system, set consists of: (1) t15, (2) t20, (3) t25, (1) t30, (1) t40, provides 10x life over standard impact bits, x-tended torsion zone helps to absorb high torque of new impact drivers, customizable, convenient bit clip allows users to snap in/snap out precisely bits that they need, tilt-in/tilt-out case mechanism allows easier access to bits, precision engineered nutsetter heads deliver a tighter fit & less damage to screw, heat treated bit manufacturing provides stronger bit, high visibility bit sleeve & markings makes finding correct bit for job easier, durable case features a secure case latch & rubber bumpers.