Park Tool P-Handle Hex Wrench Set Some of the most common bolts on any bike are hex bolts. They require a precise and durable wrench to keep from stripping. For this reason, Park delivers their PH-1. 2 set. These wrenches feature high-torque industrial steel and ergonomic plastic handles. They all come in a neat set, and feature a mountable rack to store them all in one place. Features High torque, industrial steel Ergonomic plastic handles Includes 2, 2. 5, 3, 4, 5, 6, 8, and 10mm Manufacturer page: PH-1. 2Manufacturer's Part No: PH-1. 2UPC: 763477004871 | Park Tool | Ph-1. 2 P-Handle Hex Set | Blue | 8 Hex Wrenchs With Holder