Features: 1. All kinds of removable special-shaped screws, new three-point screws, plum-shaped, U-shaped, Y-shaped, triangle-shaped, inner cross, cross. 2. CR-V chrome vanadium alloy steel material, strong and durable. 3. Strong magnetic design, stronger magnetic force, more stable screw rotation. 4. It can be applied to furniture repair, home disassembly, motor vehicle repair, machine repair, bicycle repair, and toy repair.