Screwdriver Kit - 31 Applicable High Quality S2 Screwdriver Bits Meets most people's daily needs. Repair mobile phones, PC, Apple (Mac Pro & Air, MacBook, iPad, iPod, iPhone, series), watch, drones, tablets, glasses, cameras, toys and models, etc. Enjoy your work - Lightweight and compact, compact design, light weight, small size carry more portable at any time. It is a good gift. Aluminum handle - National standard 6063-T5 aluminum, blast anode treatment. 30PCS extended groove batch head: H4 x 28mm, S2 phosphate gray. The built-in double-sided magnetic bit holder makes all the bits in this precision screwdriver set well organized and non-slip. The release button design makes it more elegant. Exquisite Design - Rust-proof aluminum alloy screwdriver handle, smooth arc edge for comfortable hand feeling. Sandblasted anodic treatment, anti-perspiration and anti-corrosion. You will enjoy it during use. Good after-sales service - 24 months warranty, if you have any questions, please do not hesitate to enter