They are used as edge guard to protect edges.
Feature:
1)Material: EPDM
2)With a tongue-shaped steel plate insert
3)Easy to install
4)Used in any tough edge to protect
Detail
1)used in trim around doors,lids,and about any other exposed edge
2)Prevent leaks, gaps, and vibration
3) Flexible PVC edge trim slides on easily to cap any edge
4)  Inside metal clip provide a permanent grip  on RV door ,truck cabs,
Golf carts, tractors , motorcycle, ATV fender, fiberglass, sheet and more
Other product: EPDM foam seal strip, weather strip ,trim seal, decorative edge trim