Carlyle Tools Impact Bits are made to take a beating and continue to deliver superior quality results. Uniquely, and specifically designed for impact use and feature a torsion area that absorbs torque more→peaks which reduce stress prolonging bit life.Bit design gives even power distribution.Includes: (14) 1.25 in. PH: #1, #2 (2), #3, PZ: #1, #2, #3, Star: T-10, T-15, T-20, T-25, T-27, T-30, T-40Includes: (17) 2 in. PH: #1, #2(2), #3, PZ: #1, #2, #3, Star: T-10, T-15, T-20, T-25 (2), T-27 (2), T-30 (2), T-40Includes: (7) 3 in. PH: #2 (2), PZ: #2 (2), Star: T-20, T-25, T-30Includes: (3) 1.8 in. Magnetic Nut Driver: 8mm, 10mm, 12mmIncludes: (1) 2.6 in. Impact Quick Change Chuck