Material: Clamping hub: up to series 450 high-strength aluminum, from series 800 and up steel.

Elastomer insert: precision molded, wear resistant, and thermally stable polymer.

Design: Two coupling hubs are concentrically machined with concave driving jaws.

Speeds: Over 10,000 rpm, a finely balanced version is available.

Tolerance: On the hub/shaft connection 0.01 to 0.05 mm.