... zipper,anti brass zipper,cooper zipper,spring lock slider1)No.3,4,5,7,8,10 and so on zippers/chain ... and sliders are available.2)Metal,plastic and nylon ... end,close-end,two-way types are available.3)Autolock,nonlock,pinlock,reversible sliders are finished ... bags,fashion garments and others.5)1.The zipper is smooth to run forward and back ...