Sanding Sponge is ideal for sandingwood, paint, metal, plastic,drywall and plaster during spot repair. Its flexible foam padenables user to sand hard-to-reach areas such as headlightopenings, around door handles, door jambs, etc. Helps to eliminatefinger marks

The backing type: Foam
Size: 4.5" *5.5"
Material: Aluminium Oxide
Grit grade: Coarse, Medium, Fine, Superfine,Ultrafine,Microfine

Medium ranges from grade 120 to 180.
Fine ranges from grade 320 to 400.
Superfine ranges from grade 500 to 600.
Ultrafine ranges from grade 800 to 1000.

Features:
1.Can be used wet or dry.
2.Can be rinsed and reused.
3.Extremely flexible, softback.
4.Quality is equivalent to 3M