Detailed Product Description 1), Material: brass, nickel free2), Size:10mm, 12mm, 12.5mm, 13mm, 14mm, 15mm, 17mm, 18mm, 20mm etc cap size is available.3), Make up of our parts: cap, socket, stud, post(open post, close post)4), Can make customer's own logo on the cap and socket surface.5), Common plate color is available.6), High quality, reasonable price, best services.7), Suitable for garments ...