The Wera 05004181001 Bicycle Ring Spanner, 12-Piece Set is a high-quality ratcheting combination spanner set designed for use in vehicle maintenance and repair. Made in the Czech Republic, this set includes 12 pieces of metric size spanners, providing a comprehensive collection for various troubleshooting and customisation tasks. The manufacturer part number 05020017001 ensures authenticity and compatibility with Wera products. This set comes in a complete boxed unit, making it convenient for storage and transport.