【HIGH QUALITY】Durable chrome vanadium steel construction, equipped with 58 stretchable high-carbon steel hardness poles internally, perfect for professional repair.
【SELF-ADJUSTMENT】Honeycomb Principle Design allows it to self-adjust so that it can fit standard 1/4-3/4 inch and metric 7-19mm nuts and bolt heads, making it easy to remove and replace irregular fasteners.
【MULTI-FUNCTION】It can easily disassemble various shapes of nuts, screws, hooks, lag screws, and bolt heads etc. Suitable for ordinary wrench and electrical drills.
【WIDELY USE】 It can be widely used in automotive industry, household maintenance, manufacturing industry, DIY, construction and other industries.
【QUICK & CONVENIENT】It is forged with anti-rust surface with high hardness and large torque, making it easy to carry and convenient to use.