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![Proto 12-Point Box End Obstruction Wrench, 9/16" x 5/8" Proto 12-Point Box End Obstruction Wrench, 9/16" x 5/8"](https://cdn11.bigcommerce.com/s-0ea95/images/stencil/300x300/products/76474/90981/908405__70506.1556664663.jpg?c=2)
Proto 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.
5-1/2"L, 7/16" x 1/2" opening