General description This Teng Double Ring Spanner is a high-quality hand tool designed for precise and efficient work. Manufactured from chrome vanadium steel with a satin finish, it offers durability and corrosion resistance. The double-ring design features various bi-hexagonal openings, making it versatile for different fasteners. It has been designed, manufactured, and tested in accordance with ISO9002 and complies with DIN 838 standards. Technical specifications Size: 24 x 27 mm Length: 329 mm Material: Chrome vanadium steel Finish: Satin Standards: DIN 838 Double curve: 75° with high angle for knuckle clearance Compatibility and accessories Compatible with various fasteners requiring star or Torx-type tools Available in different sizes to suit various applications Installation No installation required; simply select the appropriate size and use by hand or with compatible tools Usage Use to tighten or loosen star-shaped fasteners Ideal for automotive, machinery, and DIY projects