Rumber Lifetime Yellow Wheel Chock 7"x8"x5" Polypropylene sides ensure maximum breathability

Polypropylene sides ensure maximum breathability and virtually eliminate mold and mildew

DesignerConstructed Of Durable

23-1/8 +/- 1/8 Eye to Eye length

fifth wheel or trailer to provide venting for your RV Refrigerator

Product Manual

Rumber Lifetime Yellow Wheel Chock 7"x8"x5" Polypropylene sides ensure maximum breathabilityRumber chocks are safer, better performing and more cost effective than any option available. Unlike cheaper chocks that are hollow and made of rubber, Rumber chocks are completely solid throughout and made from an extremely durable composite. Other chocks are more likely to crack, rot or get crushed and need to be replaced frequently costing you more over time. Rumber chocks are just the opposite. They will never crack, rot and are virtually