72 tooth ratcheting box end needs a minimal 5° to move fasteners vs. 30° for standard wrenchesOff-corner loading design on box end provides better grip and reduces fastener roundingThin head and beam provide greater access in confined work areasFlexible head provides access to hard-to-reach bolts and fastenersSize conveniently stamped on both ends of the beam for quick identificationManufactured from alloy steel for better strength and longer tool lifeBright, full polish chrome finish easily wipes clean and resists corrosionMeets or exceeds ASME and ANSI specifications