Adult Unique Pull Pin Allows For Easy Hand Grip Adjustments Without Removing Screws And Wing-nuts Lighter Than Wood The Aluminum Crutch Provides Stability And Durability Push Pin Adjustment Makes It Easy To Adjust Crutch Height In 1 Increments No Skid Jumbo Size Vinyl Contoured Tips Provide Excellent Traction Comfortable Durable Accessories Are Latex Free 300 Lb. Weight Capacity Limited Lifetime Warranty