Includes Screw Stud And 3/4 Brown Fabric #30 Size Which Is 3/4 Used For Covering Mounting Screws On Interior Panels Used In Most RV, Boat, Trailer, And Custom Van Interior Set Of 12 Dura Snap Upholstery Buttons In Brown Fabric, Includes Mounting Screws And Studs, #30 Size Is 3/4" In Diameter.