TIRE CHOCK LOCKING DELUXE

Fit between tandem tires, locks wheels by applying force to both tires. Aids in trailer stabilizing and prevents tire shifts. A hand-operated ratchet wrench (included) turns a drive nut, extending the chocks against the tires for locking and retracting the chocks for removal. Requires 2-1/2" clearance between tires. Opens to 10". Lockable for added security (NOT INCLUDED). Made in U.S.A.