Product Name: 21 in One Portable Combination Screwdriver Set (JL-1038) Product Support Screwdriver Length: 17CM Product Support Screwdriver Handle Material: PP+TPR double material Commodity supporting bit surface treatment: electroplating 21 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.