WE MAY NOT BE ABLE TO ANSWER ALL OF YOUR QUESTIONS BUT WE WILL DO OUR BEST TO FIND ALL INFORMATION REQUESTED. THANK YOU FOR YOUR INTEREST IN OUR ITEMS. WE ALWAYS APPRECIATE THE BUSINESS OPPORTUNITIES. TAD/#2159 /SKID #510 /(1)S. 7 1/8'' X 7 1/2'' X 7 1/2'.PLEASE NOTE WE ARE NOT EXPERTS IN THE PARTS OR RELATED FIELDS. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks\Collet Chucks". The seller is "irontime1" and is located in this country: US. This item can be shipped worldwide.