Description 33PC. IMPACT BALL Torsion Bits in hard case, Highest Hardness 62HRC by in-house optimum heat treatment Includes 2-5/8″ and 6″ length of impact ball bit holders, 1, 2, 3 JISDRIVE tip sizes with various lengths at 30mm, 50mm, 90mm, and 150mm, and a Mag Enhancer VESSEL’s original Cross-Point tip profile for best fitting especially with Japanese (JIS) screws