The X-Tools spanner set is a workshop quality spanner set manufactured from chrome vanadium and comprises of 8 spanners ranging from 8mm to 16mm. The spanners have one open end and one ring end and come complete inside a heavy duty roll mat for safe keeping. Features: Included spanners, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm 8 piece chrome vanadium