Heat treated surfaces enhances cutting on hardened screws, with a standardized interfaces for instantly compatibility with most power tools Engineered for fast damaged screw extraction, this alloy steel drill bit features anti slip cutting edges to protect phone frames during removal, making it ideal for damaged or rounded mobile device fasteners The 2.35mm precisions tip accesses tight smartphone spaces while its wear resistant alloy construction ensures durability across repeated screw removal tasks Perfect for professional technicians and DIYer enthusiasts handling delicate electronics repair or home maintenance projects involving small screws Safely removes stubborn phone body screws and other compact fasteners where traditional tools risk damaging precisions components during disassembly, Manufacturer: YUNGLOO