Lippert 314596 JT's Strong Arm Stabilizer 4" Swing Bolt Kit 4" swing bolt replacement kit for jack (front and rear) mounting JT's Strong Arm Jack Stabilizers Replacement swing bolt kit can be used to mount each JT's Strong Arm Stabilizer bar to front and rear jack 2 swing bolts, 4 nuts, 4 washers and 4 adaptors per package Easy do-it-yourself installation For use only with JT's Strong Arm Jack Stabilizers