Procare® Action™ Hinged Knee Immobilizer, Medium, 1 Each Thermometers Probe Covers Standard * Unique hinged design Hip Kits Standard * Unique hinged design allows it to be raised and lowered like a regular toilet seat * Uses existing toilet seat and lid * Offers all the comfort and convenience of an elevated toilet seats but with a hinged benefit * This model features a seat riser made of two parts that are hinged together allowing the ring to be lifted in the same manner as a regular toilet seat * The seat is installed using the existing toilet seat and lid and doesn t change the appearance of the toilet * It elevates the seating position by 4Ã for easy sitting and rising * The hinged feature makes cleaning as easy as 1 2 3 * Hardware kit included * Weight capacity is 300 Lbs * 5 * Width between Arms: 19 * Product Weight: 3 60° and 90° Medium size is for 18 to 20 1 2 inch thigh circumference (measurement taken 6 inches above mid patella)