ELORA 159Z-24/27 Hexagon Key With Pin (ELORA Tools)ELORA 159Z 24 27 Hexagon Key With Pin (ELORA Tools) The ELORA 159Z 24 27 Hexagon Key With Pin is an essential tool for precision work. With its durable construction and precision fit, it ensures easy and accurate tightening of pins and bolts. With this hexagon key, you can confidently tackle any project, whether at home or in a professional setting. for inside hexagon screws with bore hole nickel plated Chrome Vanadium 59CrV4 1. 2242 Refer to Chart