This heavy duty wrench was designed to work with yhm's 1.375"-24 hub mounting systems.On one side you'll find a 3/4" open ended wrench made to loosen/tighten q.D.Mounts and direct thread mounts.On the other, a spanner made to fit around hub adapters as well as a 1/2" torque wrench slot to help tighten things to a specific torque spec.Heat treated melonite qpq finish.Hub spanner wrench.3/4" open ended wrench.1/2" torque wrench.Length: 7.75".Weight: 5.792 oz..Works perfectly with yhm's phantom q.D.Mounting systemOal: 7.75"Weight: 5.80 oz