1.Sliders for : Nylon, Metal & Vislon zippers, 2. Sizes : #3, #4, #4.5YG, 4YG, #5, #8, #10, 3. Sliders materials : ZnAlloy Die cast grade and few IRON grades, 4. Slider's function : Auto-Lock, Non-Lock, Pin-Lock, Key-Lock, 5. Finish : Painted, Nickel electroplated, Send quotation / brochure / details to : ark.link.bd@gmail ( dot ) com Cell/Wechat : +8801613479129