Nylon Two Way Stretch Ankle Brace Large Oxygen Masks s weight over the base energy and water costs s weight over the base for balance and control * Low profile 4 point large base is designed for maximum stability and walking assistance * Rounded edge base plate helps prevent scraping and bruising of ankles * Attractive silver vein finish resists scratching * Simple height adjustment from 29 38 in 1 increments with locking mechanism for added security * Tool free left to right hand adjustment is made easily * 500 lb maximum weight capacity intended for larger users * Comfortable contoured PVC handgrip * Designed to meet the requirements of HCPCS code: E0105 * Limited lifetime warranty * Large Base (12 x 8 ) Premium 23 die cast aluminum base with satin finish top * 5 leg design for greater stability * Full size diameter top and base for comfort and stability * 4 thick seat for extra comfort * Black hooded dual wheel nylon casters * Pneumatic height adjustment * All seats have 3 4 thick solid plywood base * Lever controls height * Knock down design saves on shipping * Easy no tools required assembly * Premium stain resistant woven knit backed vinyl upholstery * 250 lbs 75 * Lightweight slip on nylon support * Open toe for comfort yet excellent fit * Fits either foot * Measurement is around ankle joint *