High quality durable metal press studs. 4 piece assembly. Cap/socket and stem/stud. 12.5mm and 15mm diameter cap head available. #201. Professional grade press stud pack as used by garment and upholstery industry. For use on fabric, canvas and leather. Available in Silver, Black, Antique Brass, Gold, Antique Copper, White. 200 pieces included - 50xCap, 50xSocket, 50xStem, 50xStud. Set with either 9 Piece Stud Hand Tool Set or Hand Press Machine