SOEWIOU 4341 High Speed Steel Double-End Screw Extractor Set, Nitride Black Broken Bolt Remover, Stripped Slip Tooth Damaged Screw Removal Tool Kit

SOEWIOU upgraded broken screw extractor adopts premium 4341 high-speed steel with professional nitrogen blackening treatment on the surface. The nitride black finish enhances oxidation resistance, rustproof performance and surface hardness, greatly extending service life for heavy-duty use. Featured with integrated double-head design, it easily removes stripped, slipped, rusted, broken and stuck screws & bolts without damaging original threads. The sharp fluted cutting structure provides firm gripping force on damaged screw cores, ensuring stable reverse torsion and efficient extraction. High toughness and strong anti-breakage performance support high-torque operation during mechanical maintenance and hardware disassembly. Compact practical suit is durable for repeated use, perfect for auto repair, machinery maintenance and daily household repair work.