4.677" THICKNESS IS 2.875" WAS LAST USED ON A MORI SEIKI CNC LATHE MAY FIT OTHER MODELS. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks\Collet Chucks". The seller is "ratchez" and is located in this country: US. This item can be shipped to United States.