... long chain zipper 1: Zipper Specifications: 3#, 4#, 5#, 7#, 8#, 10# (Y teeth, normal teeth, double-dot style ... ). Finished zipper and long chain zipperare both available.2: Type: Open end, Closed end, Two-way open end, ... Two-way closed end; " X " type, " O " type zipper available.3: Slider: 3#, 4#, 5#, 7#, 8#, 10# : auto lock, semi ... feel free to contact with us, thank you! No.7 nylon long chain zipper