General description The Teng Double Ring Spanner is expertly designed for efficient tightening and loosening of nuts and bolts with sizes 12mm and 13mm. Manufactured from durable chrome vanadium steel with a satin finish, this spanner is built to last and is suitable for both professional and DIY applications. Technical specifications Size: 12 x 13mm Length: 217mm Material: Chrome vanadium steel Finish: Satin Standards: DIN 838 Compatibility and accessories Compatible with nuts and bolts of 12mm and 13mm sizes Installation No installation required; simply use the spanner to tighten or loosen fasteners of the specified sizes. Usage Designed for professional and DIY use in mechanical, automotive, and home improvement tasks. Ensure the spanner fits snugly onto fasteners to prevent slipping and damage. Other information