Cimperial 50 18 Soluble Metal Working Fluid 20 Litre Collets Threaded ER R8 MT & Tapping chrome vanadium steel with black Size:7XL chrome vanadium steel with black handle serrated jaws over its full length positive engagement for high power 5 settings The plate has low overall height and the vernier scale permits angle setting to an accuracy of 5 minutes CIMPERIAL 50 18 contains a special lubricant that replaces the chlorine based extreme pressure additive and is recommended for heavy duty operations requiring excellent lubricity Excellent corrosion resistance of ferrous and nonferrous metals CIMPERIAL 50 18 is suitable for cutting or grinding various metals and materials