Crutches Alum Adjustable (pr) Tall Adult Medline. - Standard Aluminum Push-Button Crutches feature a double extruded center tube that provides load-bearing strength where its needed the most. - The special footpiece utilizes durable rivets to secure the aluminum tubing from the inside providing more stability than plastic connectors. - I-beam center post limits footpiece rotation to a 1.4 turn always keeping the push-button in view and facilitating easy adjustment. - Long virtually unbreakable stair deflector helps protect against the crutch slipping on stairs and helps increase stress tolerance at all angles without cracking. - non-skid rubber tips provide good traction. - Built-in metal ring helps prevent excessive wear and ensures maximum durability. - Crutches come packaged completely accessorized with no assembly required.