CURT 23088 Trailer Lock Set for 2 Inch Receiver and 2 Inch or 2 1 2 Inch Coupler hitch 5 8" hitch lock pin fits spring 5 8" hitch lock pin fits 2" receiver tubes 1 4" coupler lock pin fits up to 7 8" coupler span Locks keyed alike for convenient one key operation Protected by a durable chrome plated finish Easy to operate It is engineered to seamlessly integrate with select years of the Toyota Sienna (see application info to verify fitment) 1 4 turn lock activation Hitch lock features threaded lock activation Hitch lock protected by a durable chrome plated finish Trailer coupler lock protected by an anodized aluminum finish Watertight dust caps prevent internal corrosion Includes two keys for added convenience Limited lifetime warranty (one year finish Instead of merely retaining the coupler latch mechanism