1. No more thread slippage, no more thread slippage, easy removal solves twisted, slipped, broken, rusted, or damaged screws 2. Effortless and effortless/Strong locking force/Simple operation 3. No Thread Slippage, Quick Removal: Easily fix threaded, slipped, broken, rusted, or damaged screws 4. Extra-hard Alloy Material: Super-speed steel tungsten steel for wear resistance, durability, and excellent deformation resistance. 5. Wide Compatibility and Outstanding Performance: Handle diameter 2.35mm, compatible with most electric sharpeners and knife handles on the market 6. Easily Remove A Stripped Screw: Do not panic if you have a stripped screw; It is easy to remove with just one twist