Engineered with anti carbides and ergonomic grips, this set ensures fatigue release operations and long term durability for accuracy tasks Ideal for professional technicians, craft enthusiasts, and electronics repair specialists handling stubborn screws in smartphones, laptops, and compact devices This bung screw extractor set includes a coarse drill bit for holes and a fine extractor for secure grip, crafted from wear resistant alloy steel with compact 45mm length ( 2.35mm diameter) for toolkits Tackle bung fasteners in tight spaces during smartphone disassembly, microscopic appliance repairs, or workshop projects requiring efficient screw extraction remove bung or damaged screws with the 2UUL Carbides Drill Set, featuring double purpose alloy extractors designed for accuracy in mobiles phone repairs and delicate electronics maintenance, Manufacturer: JDNH