ACC-CBL-3520242-0606. Stainless steel bellows coupling. Backlash-free, angle synchronous rotation transmission. Optimall misalignment compensation. Very high torsion spring stiffness. Small reset forces. Vibration- isolating. Bellows and screws made of stainless steel. Very rugged construction. Halogen-free. Snap locking. Plug fits through drill holes diameter min. 8 mm