Features: 1. Made of high quality chrome vanadium steel, durable. 2. The surface is polished and chrome plated, which effectively prevents rust and corrosion. 3. Massage without anti-slip handle, comfortable grip. 4. 1/4 batch header to meet different working needs. 5. Suitable for repairing furniture and home appliances etc. Spazification: Material: chrome vanadium alloy steel Model: 6.35mm bit holder Is it insulated: no Double heads: 4mm/6.35mm Product color: r oacute; Pink/Blue/Red Size: 128mm Package List: 1*Bit Holder Note: 1. The real color of the item may be slightly different from the website images caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.