Quick-Grip 38mm Replacement Pad.
They broke so I made some more. Work well and have lasted through some serious abuse.
Printer Brand: Original Prusa i3
Printer: Prusa MK2.5S
Rafts: No
Supports: No
Resolution: 0.20
Infill: 10%
Simple Design in Tinkercad
The author hasn't provided the model origin yet.