7/8" Round Multi-Gauge Dome Chair Glide - 25 Pack
Round multi-gauge dome furniture leg insert installs inside a steel tube with a inside diameter of approx. 3/4" and a outside diamter of 7/8".(14 to 20 Gauge Tube)
The rounded shape works great to keep contact with the surface for table and chairs with angled legs.
Make sure to measure the inner diameter of your tube so you purchase the correct size.