Drop forged, heat treated alloy steel. Mirror finished and chrome plated. Precision machined open and boxed ends. Blow mould snap-in storage case. V cut for quick positioning and tight fastening.
Sizes - 10, 11, 12, 13, 14, 15, 17, 19, 20, 21, 23, 24, 25, 28, 30, 32mm.