The Siegen 5 Piece Combination Ratchet Spanner Set is a professional-grade metric spanner set designed for heavy-duty mechanical and maintenance applications. Manufactured from durable Chrome Vanadium steel, this set delivers the strength and longevity required for demanding workshop environments and commercial vehicle maintenance tasks. The 72-tooth ratchet mechanism requires only 5° of rotation to pick up the next tooth, making these spanners ideal for working in confined spaces where swing arc is severely limited. This fine-tooth design enables mechanics and engineers to work efficiently on components with restricted access, such as engine bays or tight underbonnet areas. The set includes five larger metric sizes: 22mm, 24mm, 27mm, 30mm, and 32mm, making it particularly suitable for heavy machinery, commercial vehicles, and agricultural equipment maintenance. Each spanner combines the versatility of an open-ended spanner at one end with the efficiency of a ratchet ring at the other,