Set Of 12 Dura Snap Upholstery Buttons #30 Platinum Gray Vinyl Includes Screw Stud And 3/4" Long #8 Phillips Screws Made With Marine Grade Vinyl For Inside Or Outside Use #30 Size Which Is 3/4" In Diameter Used For Covering Mounting Screws On Interior Panels Used In Most RV, Boat, Trailer, And Custom Van Interior