Cho Pat Counter Force Knee Wrap XX Large 17 18.5 Medical and Utility Carts Packaged sterile in perforated box 416700 Packaged sterile in perforated box for easy dispensing MJM's Exclusive Reinforced Caster System Allows Additional Structural Support To Our Entire Product Line Our Positive Engaging Lock Holds The Wheel Securely So There Is No Swivel Movement When Locked * The Unique Design Allows Easy Movement On Hard Surfaces And Helps Eliminate the Wheel From Falling Into Cracks * Soft Non Marking Tread * (It Will Not Leave Black Marks Or Leave Groves In Wood Or Vinyl) * Quite Mobility * (Hard Treads Make A Lot Of Noise) Non Rust Plastic Body And Wheels * High Load Capacity (160 lbs) XX Large * Black * Fits knee circum 5 (to measure take circumference at mid kneecap) * A versatile and dynamic approach to knee degeneration resulting from old injuries arthritis wear and tear or normal aging * Pressure on the patellar tendons from two adjustable straps creates effective stabilization of the patella