Spare tread for Jolo-Renttol ball joint capsule in black

Spare tread for the Jolo-Renttol ball joint capsule.
The Jolo-Renttol ball joint capsule is a movable rubber capsule with ball joint for walking aids and walking sticks. You have an extraordinary walking comfort due to the joint effect and a safe protection due to the extra large tread. Due to the Jolo-Renttol ball joint capsule they have a very high slip resistance. No marks are left on the floors because the stand space is always fully supported. The spare tread can be replaced very easily.