"ACTIVE CLAMP MECHANISM WHICH MONITORS AND THEN COMPENSATES FOR THE TEMPERATURE CHANGES BY CHANGING DIAMETER THROUGH A WORM-GEAR BELLEVILLE ASSEMBLY. AERO-SEAL CONSTRUCTION FOR USE ON SMALL DIAMETER APPLICATIONS-TORQUE RATED 30-70 LBS..LINER AND HOUSING MADE OF 300 SERIES STAINLESS STEEL, BELLEVILLE SPRINGS MADE OF 301 STAINLESS STEEL."