Nikken CAT 40 C 7/8-90U Power Chuck with 7/8 master collet and 3/16 in. Shows light use in plastics application. Not What You Were Looking For? Where we keep a wide selection of Machine Tools, Tooling Components, Parts, Accessories, and More in stock for your convenience. Skidding/Crating of items are extra costs. All items are subject to prior sale.