These Teng Tools Midget Combination Spanners combine an open ended spanner with 12-point ring head The ring head is set at a 15° angle for ease of access Each spanner has same dimension at both ends They are much smaller in length than traditional spanners ranging from 95mm to 140mm in length This ensures that they spanners are ideal for working in confined areas or where space is limited The spanners are made from chrome vanadium steel with a satin finish Supplied in a handy storage tray The TT6010M 10-Piece set contains the following sizes 10mm 11mm 12mm 13mm 14mm 15mm 16mm 17mm 18mm and 19mm