#5 auto lock slider for nylon zipper (1)#3,#4,5#,#7,#8,#10 zippers and sliders are available(2)Auto lock, non lock, pin lock and reversible sliders(3)Various finish including painted and plated(4)Environmental friendly (Nickel free & Lead free)(5)Reliable quality and quick delivery(6)OEM and customer's design are welcome.