The Park Tool P-Handle Hex Wrench is an essential tool for any mechanic. It includes a straight chamfered tip on the handle for high-torque applications. The other side has a long ball end tip for harder to reach bolts. This is the 2.5mm version. It also has an ergonomic nylon handle, so your hand remains comfortable while working. The rest of the tool is made with a strong and durable steel, ensuring a long life of use. The Park Tool Hex Wrench is a must have for regular maintenance.