The Allen 15990 Pro Series 10-in-1 Hex Multi-Wrench features the hex wrenches you need to adjust and tune most bows. With a soft over-molded grip surface the hex multi-wrench includes the sizes .05 in., 1/16 in., 5/64 in., 3/32 in., 7/64 in., 1/8 in., 5/32 in., 3/16 in., 9/64 in., and 1/4 in. This multi-wrench is the perfect addition to your tool collection.