hold-n-drive tool nomenclature socket nomenclature xx motor 47 e electric a ... h x xx x xx x oval dimension length if socket style =0 female oval max output torque ... hold-n-drive tool style a angle hold socket width ea thru ef m5 thru mj torx drive ... 30 40 45 oval tang holders 00 no socket specials socket style f female hex ... torx o female oval maximum hex drive socket mg ee t2 head type mm 3/4 t3 head type ... head type 00 specials all head types socket sizes ea 1/4 m5 5mm ec 3/8 m6 ... 7mm ee 1/2 mb 8mm ef 9/16 md 10mm eh 11/16 me 11mm ej 13/16 mf ...