... lock zipper puller eo-friendly plating color ,customized sample good slide,fast delivery free sample,resonable price Auto lock slider with half puller , zipper head , metal zipper slider ... clothes, jeans, jackets ,metal zipper7, Special requirements available: nickel free,lead free nonmagnetic, different shapes for pullers8,Payment terms ... usually 7-10 days NO.4 Auto lock zipper slider with half puller