Billet Scale Pad Levelers with 1 Built-in SideSlider™ for 2 1/2" Pads - Set of 4Sets up quickly and disassembles easily for convenient storage and transportation. Rather than the traditional one piece bulky roll off, these units are modular. The actual scale pad Leveler is made from T6 billet aluminum with a full floor for the best rigidity and the most accurate setups possible. The optional roll offs attach quickly to these Levelers via a simple clip on bracket. All 4 Levelers & roll offs set up in less than two minutes (plus