The 17Mm Extra Long Allen Key From The Extra Long Series Is Designed To Provide Extra Leverage And Reach For Working With 17Mm Hex Fasteners. Made From Durable Materials Like High-Carbon Steel Or Chrome Vanadium, It Offers Enhanced Torque And Accessibility In Tight Or Hard-To-Reach Spaces. Ideal For Automotive, Industrial, And Diy Applications, This Tool Ensures Efficient And Easy Tightening Or Loosening Of Large Hex Bolts.