This 12-piece Draper Expert HI-TORQ metric reversible ratchet combination spanner set is manufactured from hardened and tempered chrome vanadium steel with a mirror chrome plate finish for corrosion protection.Features:. The 100-tooth ratchet enables 3.6-degree movement and the open end is set at 15-degree, making these spanners ideal for use where there's limited space.. The ring end is 12-point HI-TORQ, providing a superior grip.. The set comes supplied in a useful storage carry rack.. Sizes: 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm and 19mm.Specifications:. Dimensions: H: 40cm x W: 25cm x D: 3.8cm.. Colour: Silver.. Guarantee: Lifetime.. Material: Steel.