1. Rubber-plastic bi-material handle for comfortable grip, delicate surface treatment for good resistance of slip, scratch and grease. 2. The bar is made of SUP11 and quenched for high hardness, good toughness, durability and longer life 3. Strong magnetic bits 4. Anti-rotation bumps on the front of handle to prevent the tool from rolling 5. Matte-finished shank to avoid reflection of strong light 6. Engraved shank with material,model, and spec details for easy management
