LOK-ON™ Sockets are designed to loosen up to 85% rounded and damaged fasteners whilst offering higher torque capacity and reducing stress concentration. The LOK-ON™ Demo Block has been designed to demonstrate these features and allow you to test the latest LOK-ON™ Socket range on a 85% rounded off bolt. Demo Block Comparative sockets include the standard 6 point, 12 point, Spline and LOK-ON™ Sockets. Visit your local distributor for an in store demonstration.LOK-ON™ Chrome Vanadium Steel (40 Cr-V2) Chrome Vanadium is a composite of many metallic elements and not all CrV products are created equal. 40CrV2 is an industrial grade material superior in strength to standard professional grade variants. All LOK-ON™ sockets are manufactured from 40Crv2 and offer a greater torque capacity and longevity when compared to the industry standard 50bv30 CrV. LOK-ON™ Sockets will perform better, last longer, save time, reduce wear and replace the need for fastener extraction tools. Not for Retail sale. Demonstration purposes only "