KEVLAR Recovery Harnesses: RHK 900 - 900 lb. tensile strength RHK 1200 - 1200 lb. tensile strength RHK 1800 - 1800 lb. tensile strength RHK 2500 - 2500 lb. tensile strength Harnesses are available in standard lengths of 15', 20' and 30'. All harness loops are overwrapped in NOMEX IIIA and stitched with NOMEX thread.