SS-5120 Multi-function Screwdriver 128 in 1 Precision Screwdriver Set Combination Mobile Phone Repair Tool. Easy to store in your toolbox or take on the go - always ready when you need it. rust resistance, long life and sturdiness over time. Each tool undergoes multiple precise quality inspection processes, with strict controls at every stage from materials to manufacturing processes. It is burr-free, flawless, and its precision error is controlled to an extremely small range, ensuring safe and stable use. Due to processes such as anodizing, nickel plating for rust prevention, and electrophoretic coating, the tool surface is smooth, corrosion-resistant, moisture-proof, and rust-proof., Manufacturer: THUJMGH