Description: Easily and quickly attaches into walking cane shafts. Use durable non-skid rubber material. The triangle principle design will provide greater balance and stability when walking on uneven or loose terrain, including grass, gravel and sand. Specification: Size: Approx. Inside Diameter: 19mm Inside Depth: 5.5cm Overall Height 8.5cm Color:Black Material:Rubber Package Includes: 1 Piece of crutch tip