Proto 12-Point Box End Obstruction Wrench, 5/8″ x 3/4″

Satin Finish. Torqueplus Boxed Ends allow up to 15% more torque to be applied to the fastener, reduces the risk of fastener rounding, and provides better grip on worn, rounded fasteners.

6-1/2″L, 5/8″ x 3/4″ opening