1-: high-quality steel, heat-treated quenching process, enhanced strength and durability, rust-proof and corrosion-resistant. 2-Ergonomic design: comfortable non-slip rubber handle ensures precise control, increases user comfort and improves work efficiency. 3-Products include: right-angle hook, 45-degree hook, 90-degree hook, 135-degree hook. 4-Application: When working in a small space, remove and replace O-rings, washers, cotter pins, springs and other small items to reach hard-to-reach places, more suitable for various small spaces. Repair, heavy duty, assembly and disassembly of small parts, automobiles, electronic products, daily household maintenance tools and storage trays. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.