Super tough rubber tip with reinforced side walls. These are recommended for use with tubing products. Great for crutches canes walkers chairs tables stools or any heavy-duty application. These crutch tips do an excellent job of protecting flooring surfaces from costly damages. Side walls are double reinforced to provide an extra long life. Extremely durable and easy to install. To install simply slide over your existing furniture tubing crutch cane or walker end and let the tip do the rest. Place these tips on chairs canes or crutches to protect the ends during use. Inside diameter is 1/2" inside depth is 1" and overall height is 1-1/4".