The Leki Rubber Fitness Walking Tip is a great tip for Nordic Walking and will fit over all Carbide or Steel Flex Tips. The Leki Rubber Fitness Walking Tip's wider base area provides optimum grip while a vulcanized material provides a long life of use. Sold in pairs these tips are designed for indoor or pavement use only. Take your walking to the next level with the Leki Rubber Fitness Walking Tip.