Urethane Pad Adapter Base for Challenger Lifts - Fits Models CL9, CL10, E10, VS10, X10, SA10. Challenger Lifts: CL9, CL10, E10, VS10, X10, SA10, CLFP9, LE10, VLE10, EV1020. Upgrade your lift’s performance and durability with this premium Urethane Pad Adapter Base, designed to fit a variety of Challenger Lift models, including CL9, CL10, E10, and others.