Assenmacher Specialty Tools BY13 13mm Bypass Wrench 100 ton screw heads

screw heads

3/8" drive with 3/8" drive bit holder

- Adapter 580523

Its design makes it easier to clean hard-to-reach areas

Assenmacher Specialty Tools BY13 13mm Bypass Wrench 100 ton screw headsThe Assenmacher Specialty Tools BY13 is a 13mm Bypass Wrench engineered to remove and replace bolts and nuts in tight, obstructed locations that standard wrenches cannot reach. Its uniquely contoured S curve profile allows the tool to route around engine components and chassis obstructions with ease. Featuring a 3 8" drive socket end and a 13mm 12 point box end, this wrench is purpose built for professional grade diesel and heavy truck service work.