Professional tool for commercial or occasional use Metric ring spanner set Manufactured from chrome vanadium steel for strength and durability Metric double ended ring spanner 35 degree offset which allows access into awkward areas a lot simpler and more efficiently Metric spanners Box spanners so all enclosed Highly polished mirror finish Double ended so spanner sizes on each end SET INCLUDES THE FOLLOWING SIZES - 1 x box spanner 6mm and 7mm total length 160mm - 1 x box spanner 8mm and 9mm total length 180mm - 1 x box spanner 10mm and11mm total length 200mm - 1 x box spanner 12mm and 13mm total length 210mm - 1 x box spanner 14mm and 15mm total length 230mm - 1 x box spanner 16mm and 17mm total length 240mm - 1 x box spanner 18mm and 19mm total length 255mm - 1 x box spanner 20mm and 22mm total length 280mm - 1 x box spanner 21mm and 23mm total length 305mm - 1 x box spanner 26mm and 28mm total length 380mm - 1 x box spanner 27mm and 29mm total length 400mm - 1 x box spanner 30mm and 32mm total length 415mm Comes in a tool roll for easy storage and transportation.