Wheel Immobilizers & Chocks

Use wheel chocks for simple, passive blocking of a stationary wheel (common for cars, trailers, RVs), and choose wheel immobilizers when you need a lockable device that prevents wheel rotation and theft; consider vehicle weight, surface, and whether you need portability or permanent installation

Look for chocks and immobilizers made from heavy-duty rubber, reinforced polymer, or steel with non-slip treads or teeth and a wide contact surface; corrosion-resistant coatings and UV-stable materials improve longevity outdoors

Check the product's rated load capacity and dimensions—larger, heavier vehicles (trucks, RVs) need bigger, higher-capacity units, while compact cars can use smaller chocks; ensure the chock height and wedge angle suit your tire diameter for effective contact

Always engage the parking brake, place chocks on both sides of a wheel or use matched pairs for trailers, position chocks on solid, level ground, and test stability before working under or around the vehicle; for immobilizers, follow locking instructions and verify fit before leaving the vehicle

Clean dirt and debris after use, inspect for cracks or deformations regularly, store indoors or under cover away from prolonged UV exposure, and lubricate metal locking parts to prevent rust

Wheel chocks and basic rubber blocks are available in budget options under $50, while lockable immobilizers and heavy-duty steel solutions typically cost more; higher price often reflects stronger materials, higher load ratings, and added locking or mounting features

Chocks work best on firm, level surfaces; on uneven or soft ground, use wider-base chocks designed for those conditions, place a solid board under the chock for support, or consider anchoring solutions to prevent sinking or shifting