This fully adjustablemotorcycle chock holds any motorcycle upright for transport,service or storage.These are two versions of the same chock and are mechanically identical. The only difference is the footprint - the LA Trailer Chock has a slightly smaller footprint which allows it to be placed in closer proximity to walls or the front of a trailer. LA ChockThese chocks are incredibly well made, with stainsless steel shoes and durable black crinkle powercoat. You will get a lifetime of excellent service from these excellent motorcycle chocks.