72-Tooth 12 Point Reversible Ratcheting SAE Wrench Set, Combination, 13 Pieces, Imperial72 tooth ratcheting box end needs a minimal 5 to move fasteners vs. 30 for standard wrenches Flush mounted reversing lever allows you to change direction without removing the wrench Off corner loading design on box end provides better grip and reduces fastener rounding 15 offset offers increased clearance Thin head and beam provide greater access in confined work areas Size conveniently stamped on the head and beam for quick identification