BendPak XPR-18CL Heavy-Duty Two Post Vehicle LiftBendPak XPR 18CL Heavy Duty Two Post Lift 18,000 lbs. Capacity Clearfloor Standard Arms The new XPR 18CL replaces the old XPR 18C. It's not like BendPak re invented the wheel. They just increased the diameter of the pin under the lift pad that touches the frame of the vehicle. This improves stability. They're constantly making minor improvements to their products to make them safer, longer lasting, and easier to use. It's all about increasing profits