for a smooth, quiet ride Dual jaws fully wrap the kingpin to reduce chucking and increase security Wide, self-aligning head helps eliminate errors when backing up to the trailer Lockable, short-throw handle automatically engages with the kingpin Three easy-access grease fittings for lubrication Three-position coupling indicator clearly shows coupling status Mounts to all industry-standard base rails Offers three height adjustment positions to adapt to each unique truck bed Includes a polyethylene lube plate to eliminate messy grease deposits Tested for safety in accordance with SAE J2638 Protected by a highly durable carbide powder coat finish Limited lifetime warranty (one-year finish, one-year parts) Notes: Includes 5th wheel head, legs and hardware Each truck-trailer configuration is different. Be sure to review each configuration and always ensure adequate trailer-to-cab clearance when maneuvering. Capacity limited to lowest-rated towing component; not compatible with articulating or turret-style pin boxes, such as Rota-Flex and Sidewinder