Sandvik Corobore Fine Boring Head 55-70mm 2.165-2.756. C5 connection, C5-R825C-AAE043A head with C5-A390.45-50 080 CAT50 holder.Has two extensions, a 100mm/4" extension, C5-39101-50 100A and an 80mm/3-3/16" extension, C5-39101-50 80A. Total gage length is about 12.75. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Head & Adapters". The seller is "nujik" and is located in this country: US. This item can be shipped to United States, Canada.