Flexible head provides access to hard to reach bolts and fasteners. Thin head and beam provide greater access in confined work areas. Size conveniently stamped on both ends of the beam for quick identification. Off-corner loading design on box end provides better grip and reduces fastener rounding. 72 tooth ratcheting box end needs a minimal 5° to move fasteners vs. 30° for standard wrenches., Manufacturer: RFGTHY