Where it all began for H2O Jet! Still the simplest, most cost effective diamond cutting head availabe. The H2O Jet Diamond Integral Cutting Head is a quantum leap in cutting performance, reliability, and productivity. Through empirical analysis and extensive field testing, it has been optimized for real-world conditions. The H2O Jet Diamond Cutting Head is NOT a variation on the same old theme. Rather, its a departure from the norm that results in superior performance and reduced operating costs. The Integral Diamond Eductor Assembly. H2O JET EXCLUSIVE!