ISO50 / NMTB50 GPL 200. The item "Valenite ISO50 / NMTB50 GPL 200 50M-BB3 VARI-SET Boring Bar Holder" is in sale since Saturday, July 14, 2018. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Arbors & Adapters". The seller is "toolkart" and is located in BANGALORE, KARNATAKA. This item can be shipped to United States.