Operated via a t-handle chuck wrench, Model 16C features integral A2-5 nose to accommodate standard 16C collets up to 1,625 in., as well as bolt-on closing rings and ID mandrels. Product has flat back design and is concentrically adjustable for optimum accuracy. Collets are suited for use on hybrid CNC/manual teach lathes, and can also be used with variety of lathes, mills, grinders, indexers, and other rotating spindle equipment when used with Lexair mounting plates.