... : Open end, Closed end, Two-way open end, and Two-way closed end; " X " type, " O " type zipper available. 3: Slider: 3#, 4#, 5#, 7#, 8#, 10# : auto lock ... according to customer's requests. 4: Different colors: brass, anti-brass, light bronze, light pewter, gun metal, pewter, nickle, cupronickel, white gold ...