Good used 4 3/4" OD Boring Head x 2" Straight Shank. Samson USA - holds 1 1/4 boring bar. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Adapters & Holders\Boring Head & Adapters". The seller is "xtrucker_99" and is located in this country: US. This item can be shipped worldwide.