This Universal Mount system is a perfect choice for those wanting a low profile all-in-one mount that holds a Speed Dolly frame, axle and break over bar. The Universal Mount uses the same bolt pattern that is pre-drilled in Jerr-Dan MPL, MPL40 and Element wrecker bodies but can be used on any brand wrecker body. The Kit comes complete with everything needed to hold 2 Dolly frames, 1 break over bar and 2 axles and comes in our Tuff Coat Black Finish. Pick from the Standard or the XD Mounts. The Standard Mount is made for 2 Speed Dollies with 4.80 Tires. The XD Mount is made for 2 XD Dollies with 5.70 Tires. Sold as set. Sold as a set Made from steel with a Tuff Coat Black finish Dollies not includedStandard Dolly Mount Height: 11″ Width: 19″ For use with 4.80 TiresXD Dolly Mount Length: 13″ Width: 13″ Height: 6″ For use with 5.70 Tires