For clamping of thin-walled and easily deformed components, ROTA NCR 6-jaw power chucks each consist of central chuck piston with 3 inner pendulums positioned at 120 deg. Each pendulum is connected to 2 base jaws, so workpiece is centered between 6 contact points, which can be adjusted in pairs. Offered in 165, 200, 250, 315, 400, 500, 630, 800, 1,000, and 1,200 mm sizes, chucks can be employed on virtually all lathes and are also available with centrifugal force compensation.