The ergonomically and perfect handle designed suitable for different hand grips The perfect handle design allows the handle to disperse the pressure evenly when applying force The ratchet permits high-speed action with grip adjustments and can be combined with popular driver ends PH: #1, #2, #3; SL: 3/16", 1/4", 5/16"; Torx: T15, T20, T25, T30; SQ: #1, #2; HEX: 1/8", 5/32", 3/16", 1/4"; Nut: 1/4"; 5/16; 7/16