Product Description:
Use for Boats, RV, Personal Watercraft, Stock and Utility Trailers. Innovative design allows the trailer wheel to track easily. Ramped for positive containment. No rust, durable plastic contruction. **To use the trailer stop, simply position the trailer where it is to be parked. Position center of trailer stop directly under the wheel of the single wheel trailer jack, unhook boat and let the wheel jack down adjusting cup so wheel restsin center of cup. Secure trailer with wheel chocks placing one in front and one behind on rear trailer tire.

Additional Info:
Manufacturer: Springfield
MPN: 1840300
Product SKU: S-M-1840300
Weight:2.00 pounds