Flexible 2 - 2½ in coned wheel. Press fit for a 1/2 hex bore. Designed as robot intake guides.
Normally printed using TPU with about 40% infill.
https://cad.onshape.com/documents/1a658047b2e4a49dfdd0687d/w/b46a4648acf81182e188689e/e/f02284850f873b1ef139bb60