Professional spanners for commercial or occasional use S type ring spanner set Metric spanners 5 spanners but 10 different sizes 8mm - 19mm spanners Manufactured from chrome vanadium steel for strength and durability S type obstruction spanners so perfect for access into restricted hard to reach areas Designed for working in confined spaces Ring spanners so an enclosed spanner head 12 sided / Bi-hex ring spanner set SET INLCUDES THE FOLLOWING SIZES • 1 x S Spanner 10mm x 11mm • 1 x S Spanner 12mm x 13mm • 1 x S Spanner 14mm x 15mm • 1 x S Spanner 16mm x 17mm • 1 x S Spanner 18mm x 19mm Comes in a tool roll for easy storage and transportation