Pictured 5C Expansion Collet from Dunham with approx 5/8" & 13/16" Diameter and icludes a large lot of spare parts. Simply send me a message if you hope to win a few more auctions outside of that 5 day period. Every effort is made to accurately describe and detail each item. Tag words: Machinist, Metalworking, Industrial Surplus, Machining Tools. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Other Workholding".surplus" and is located in this country: US. This item can be shipped worldwide.