Ambutech Rolling Ball Tips consist of a large 2-inch diameter nylon sphere with encased stainless steel roller bearing. Greater sensitivity and visibility. Ideal for constant contact technique. Light weight and easy to maneuver. Easily handles road obstacles and pavement cracks. Easy to replace/change slip-on tips fit tightly over the shaft of Aluminum, Fiberglass or Graphite mobility canes. One cane tip. Color: White. (Also available in Red.)