gh210 heavy-duty horizontal tube hone sunnens gh210 heavy-duty machine is easily the most powerful horizontal honing machine available on the market today. the machine removes stock at an accelerated rate while maintaini......gh210 heavy-duty horizontal tube hone sunnens gh210 heavy-duty machine is easily the most powerful horizontal honing machine available on the market today. the machine removes stock at an accelerated rate while maintaining very close i.d. tolerances. the gh210 is available in models providing for i.d. honing from 25,4 to 406,4 mm (1 to 16 inch). special models of the gh210 are capable of i.d. honing to 1016 mm (40 inch) with maximum part lengths to 15,25 meters (50 feet). the gh210 is easy to setup and operate, even by unskilled operators. the sunnen gh210 comes with the superior customer support that sunnen customers have come to expect. features/benefits all hydraulic drive infinitely variable spindle speeds infinitely variable reciprocation rates a wide variety of fixturing options are available easy-to-use menu-driven touch screen control panel a wide variety of coolant, refrigeration and filtration options are available