Lok In El® Bolt Down Lok In El Bracket, 1 Each Skin Care Knee High (Closed Toe) * 00298E Knee High (Closed Toe) * Classic Black * 30 40 mmHg * Large * Ankle Circumerence 9 1 2 10 1 2 * Calf Circumference 14 18 1 2 * Stylish leg therapy that feels great and helps manage pain and discomfort from: Tired aching legs mild to severe leg ankle and foot swelling minor to sever varicosities post surgical post sclerotherapy and help preventing a recurrence of venous ulcerations * features & benefits: * Number 1 physician recommended brand * Available in 5 colors and a large foot size * Fashionable ribbed designed dress sock * Smooth toe seam * Soft comfortable Gel pad is in direct contact with skin to protect the back of the heel from friction pressure * Slim profile design fits in most footwear including boots skates etc Attaches to the toilet with the toilet seat hinge bolts Requires unscrewing of the nuts and raising of the seat slightly to slide in the bracket