Features -For amateur DIY doll manufacture craft;-With thread end and washer buckle;Material：polyethyleneDiameter：6/8/10/12mm (chromatic)；10/12mm (black)Length of bolt：12mmColor：blue/golden/green/brown/lucite/blackUsage -Use tweezers to nip the washer，heat it with lighter，glued to the fitting， which is more convenient and not easy to fall off.Package include 264pcs Plastic Eyes / a pack