A medium-firm felt, F7 felt is most frequently used as oil and grease retainers and dust shields where strength is needed.
These non-adhesive sheets are wider than strips and are useful when covering larger areas.
Narrow non-adhesive strips are suitable for covering small areas.
An adhesive backing allows the material to be attached to a holder or other surface. No need to apply glue or wait on drying time.
Avoid time-consuming application of adhesives with these adhesive-backed strips.