This heavy duty wrench is designed to work with YHM's 1.375"-24 HUB mounting systems. On one side, it features a 3/4" open ended wrench for loosening and tightening Q.D. mounts and direct thread mounts. The other side has a spanner that fits around HUB adapters and includes a 1/2" torque wrench slot for precise tightening to specific torque specifications.Key FeaturesHUB Spanner Wrench: Fits around HUB adapters for secure adjustments.3/4" Open Ended Wrench: Loosens and tightens Q.D. mounts and direct thread mounts.1/2" Torque Wrench Slot: Allows for tightening to specific torque specifications.Heat Treated Melonite QPQ Finish: Provides enhanced durability and corrosion resistance.Length: Measures 8.0500 inches for easy handling.