Ambutech Jumbo Roller Tips have an oversized 2.5-inch solid disc that offers greater tactile sensitivity and visibility with longer life. Easily handles pavement cracks, cobblestones, and many pedestrian obstacles. Made of heavy-duty molded nylon. Easy-to-replace/change slip-on tips fit tightly over the shaft of Aluminum, Fiberglass, or Graphite mobility canes. Color: White. One cane tip.