Aluminum Crutches Medline's Push-Button, Aluminum Crutches can Support up to 650 lbs. -650 lb weight capacity. -Oversized wing nut and push-button for quick height adjustment. -Non-skid, rubber tips provide good traction. Built-in, metal ring helps prevent excessive wear and ensures maximum durability. -Packaged completely accessorized, no assembly required. -Height adjusts from 54" to 62" in one inch increments. -Durable, matte silver, powder-coated finish.