HEIGHT ADJUSTABLE CHAIN VICE TOOL TO SECURE CYLINDER BARREL , SUPPLIED WITH 2 SETS OF HARDENED SERRATED JAWS FOR ROUGH SURFACES , AND 2 SETS OF NYLON INSERTS FOR DELICATE SURFACES (EG. CHROME)., INCLUDES 2M OF HEAVY DUTY CHAIN. , PART CAPACITY (BARREL OD) : 100 – 650MM, MAX WEIGHT PER FIXTURE – 6000KG