The DeadBolt / CT Johnson KingPin Lock is an important safeguard for your 5th wheel. This kingpin lock has a heavy-duty, one-piece collar that locks in place with a 5/8" diameter locking pin, offering maximum security for unattended trailers. The heavy-duty collar is made of tough, T6 tempered aluminum for rugged use. The lock has a durable, textured, powder-coated finish and integral finger grips that allow easy handling. The locking pin can also double as a Class III/IV hitch lock. It comes with a weather cap to keep out dirt and moisture. Fits all 5th wheel king pin couplers. Comes with two keys. Integral finger grips allow easy handling Fits all 5th wheel king pin couplers Comes with two keys | C.T. Johnson DeadBolt / CT Johnson KingPin Lock