1.45 steel material: magnetic head for easy absorption, double special heat treatment, high hardness, stronger and more durable 2. High-precision double-headed rod: multi-functional and multi-specification detachable 3. -space link metal: fixed high-precision bite, hard but not brittle, tough but not soft 4. Anti- handle: stable and non-, tail movable rotation reduces palm friction, comfortable grip, practical, multi-functional, durable 5. Benchmark with specification mark: easy to identify the model 45 steel material, better use effect, efficient and time-saving, easy to disassemble Product Description Item No.: 58 in 1 screwdriver set Is it insulated: Yes Blade material: Tool holder material: chrome vanadium steel Handle Material: Plastic Full length: 204 Whether magnetic: yes Color: Blue Material: alloy steel Package Contents: 1 maintenance accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.