Comfortable, durable underarm pad and hand grip. Lighter than wood, the standard aluminum crutch provides stability and durability. Double extruded center tube provides additional strength to weight-bearing area. Push-pin adjustment makes it easy to adjust crutch height in 1″ increments. Non-skid, jumbo size vinyl contoured tips provide excellent traction. Easy wing nut adjustments for hand grips. 300 lb. Weight Capacity on Aluminum crutch . 250 lb. Weight Capacity on Wooden crutch. Limited Lifetime Warranty.