Commodity supporting screwdriver approved rod material: cast aluminum, built-in rigid magnetic Product Name: 27 in One Portable Combination Screwdriver Set Product Support Screwdriver Length: 90MM Product Support Screwdriver Handle Material: PP+TPR double material Commodity supporting bit surface treatment: electroplating 24 in 1 for disassembling computers and mobile phone repairs and other electronic products or toys. The plastic sleeve is easy to carry, and the screwdriver handle has a magnetic head, which is extremely convenient to use.