Proto J5260W Socket Extension 3 8 in Input Drive Size, 3 8 in Output Drive Size, 3 in Overall Lg, Chrome G1192527 Copper Thread Standard UNC Extended Copper Thread Standard UNC Extended Neck Yes Secondary Material Application ISO Code K 60 Hz Pilot Duty Load Ratings Ranges 1000 VA This extension enhances reach and access in tight spaces SAE AS4984A For Use With Proto Ratchet Sockets Features Heat Treated Output Drive Type Male Square Locking No Drive Type Female Square SAE or Metric SAE Number of Points 4 Input Drive Shape Square Socket Extension Type Wobble Insulated No Output Drive Shape Square Output Drive Gender Male Input Drive Gender Female Non Sparking No