High quality durable metal press studs. 4 piece assembly. Cap/socket and stem/stud. 13mm and 15mm diameter cap head available. Professional grade press stud pack as used by garment and upholstery industry. For use on fabric, canvas and leather. Available in Silver, Antique Brass, Gold, White. 80 pieces included - 20 x Cap, 20 x Socket, 20 x Stem, 20 x Stud. Set with stainless steel press stud kit.