Products

BOSI brand three-pronged Trident Wrenches from China are made of high-quality 40Cr alloy steel, with heat-treated heads and a torque-enhancing hexagonal design. They are available in 5 combinations (8-9-10mm, etc.), with a length of 140mm. They conform to standard GB/T3390.1/2. Suitable for emergency disassembly and assembly in automotive repair and machinery. Inquiries and samples are welcome.

This BOSI Eight-Piece Combination Wrench Set comes in a plastic clip package and has a fully polished mirror finish. It includes eight wrenches in sizes 8/10/12/13/14/15/17/19mm, with one end being Torx and the other open, allowing for quick loosening and tightening of hex bolts and nuts. It conforms to standard QB/T3003. Suitable for automotive repair and mechanical assembly. Inquiries and samples are welcome.

BOSI manufacturer's eight-piece open-end wrench set, plastic-clamped packaging, mirror-polished finish. Eight pieces in sizes ranging from 6×7 to 22×24mm, for quick loosening and tightening of hexagonal head bolts and nuts. Complies with standard QB/T3001. Suitable for machinery repair, pipe installation, and equipment maintenance. Inquiries and samples are welcome.

BOSI brand 1/2" ratchet wrench, 12-inch size, 24-tooth ratchet head, suitable for working in confined spaces. Quick-release adjustment with reversing lever and fast-release function. 6-month warranty (excluding ratchet head). Complies with GB/T3390.3 standard. Suitable for socket disassembly and assembly, automotive repair, etc. Inquiries and samples are welcome.

BOSI is a manufacturer and supplier in China. This Pipe Adjuster Wrench is a 12-inch size with a maximum opening of ≥38mm. It is forged from high-quality carbon steel with a chrome-plated finish, featuring a spring-loaded worm gear for smooth opening and closing, and a TPR non-slip handle. The head is detachable, combining the functions of a wrench and a pipe wrench. It conforms to standard GB/T4440. Suitable for universal disassembly and assembly of pipes and nuts. Inquiries and samples are welcome.

BOSI brand Fiberglass Handle Fitter's Hammers from China, available in 100g, 200g, and 300g sizes. The hammerhead is forged from high-quality carbon steel, heat-treated, and mirror-polished; the handle is coated with fiberglass for a comfortable and effortless grip. Complies with QB/T1290.3 standard. Suitable for precision striking in metal processing, mold finishing, and fitter assembly. Inquiries and samples are welcome.