... needle, barrel, plunge, piston, elastic clip, position fi Safety Auto-Destruct SyringeFeatures:1) Consists of injection needle, barrel, plunge, piston ... , elastic clip, positionfixing board, resistant ring and resistant plate2) Technical requirements: a) Using method is similar ... use Packing: 1pc/bag, 100pcs/box, 1200pcs/ctn Safety Auto-Destruct Syringe