The Ingrid Classic Cane or Crutch Tip – Large is a high quality, durable polyurethane rubber replacement tip with a convex bottom. The tread pattern on the bottom of this tip does not wear as quickly as a conventional tip, provided increased safety. Inside the tip is a rust proof metal washer made of zinc plated steel which prevents the cane or crutch from wearing through the tip. The “tire track” treads at the point of contact provide an excellent grip on most surfaces.The convex bottom enhances both walking comfort and durability. This cane tip has a patented elastic neck which adjusts to the dimension of the cane or crutch shaft, making it easy for the user to replace tips as needed.Ingrid Classic Cane or Crutch Tip Large Features:Extremely durable and provides for an excellent grip both indoors and outdoors.Tip does not wear as quickly as a conventional tip.Convex bottom enhances both walking comfort and durability.Ingrid Classic Cane or Crutch Tip Large Specifications:Fits: Cane and crutch shafts measuring 13⁄16 inch – 1 1⁄16 inches (21 – 27 millimeters).Color: Black.Package of: One Ingrid Classic Cane or Crutch Tip Large.