Rope/cord tighteners aluminum 500 lbs work - 1500 lbs break - large fits in/(mm)=1/8 - 3/8 (3-9) Built from durable, cast aluminum. Rugged combination of carabineer and cam mechanism designed to tighten, tension, connect and secure serious loads. Carabineer clip and gate on one end, and a rotating cam mechanism on the other. This design allows it to be configured in either a fixed end or a loop system with a rope or cord to securely tie down heavy or bulky loads.
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. www.P65Warnings.ca.gov