The Wiha 71515 is a Torx insert bit with the size of T15 x 25 mm with an overall length of 1". It comes in a pack of 10. These are exact fit torx tips for reduced cam out. Through hardened for exceptional durability. They are made from WIHA CRM-72 modified tool steel. Wiha Torx bits have tips that are exact fit, precision machined to high tolerances, and are made from durable tool steel. The bits are hardened with computer-controlled heat treatment for maximum durability. Wiha Torx bits are designed for applications requiring high wear resistance. Wiha Torx bits have a universal fit for all standard bit holders and power tools. Wiha bits are guaranteed for their long-lasting performance in the toughest and most demanding applications.