RCAI MPO Active® Accessory Kit Professional Replacement Liner and Strap System Size Option::Medium 800 lbs Heavy Duty Workload Limit: Options::F 799RA Pro, Patriot, Portable Pro, PEZ, Super PEZ, Revolution & Titan 800 lbs Heavy Duty Workload Limit: Engineered with robust internal load cells that support a massive 800 pound capacity to comfortably accommodate standard and nursing teams require an adjustable ensuring that the device continues to meet the high standards required for pressure offloading and contracture management clinicians ensure that the heel remains properly "floated" and that the counterforce required for foot drop correction is maintained