Description AVAILABLE THROUGH AFTERMARKET DISTRIBUTORS Model 28000A Placed on the ground between tires, it locks wheels by applying force to both tires. Aids in trailer stabilizing and stops tire shifts. Extends from 15-1/4″ to 23-1/8″. Lightweight; easy to store. Rust-inhibiting coating for long life. Additional pressure can be applied by using the included tension bar. U.S. Patent 6,425,465 WARNING: Cancer & Reproductive Harm. www.P65Warnings.ca.gov
