STANLEY 70-380E 12-piece Matte Finish Chrome Vanadium Steel Double Open-End Spanner Set with Maxi-Drive System, Anti-Slip & Anti-Corrosion properties, GREYAbout this item12 spanners 6x7m,8x9m,10x11m,12x13m,14x15m,16x17m,18x19m,20x22m,21x23m,24x27m,25x28m,30x32mSet of 12 spanners which is made of chrome vanadium steelCoated with nickel Chrome to protect from rust or corrosion.MaxiDriveTM and anti-slip open ended jaw shape maintains grip on fastenerAnti-Corrosion: it is made of chrome vanadium steel & it is coated with Nickel ChromeAnti-slip: This is due to the extra grooving at the tip of the jaws.Spanner set for home & professional useColourChromeBrandStanleyMaterialChrome Vanadium SteelItem Weight1.73 KilogramsItem Package Quantity1