- Auto-locking zipper slider: The product includes an additional automatic locking slider in variants such as spiral-tooth nylon slider, metal zipper slider, and plastic slider. It locks automatically to prevent slipping, ensuring smooth operation. Suitable for outdoor clothing and jackets. High-quality materials: high-strength metal with an excellent galvanizing process; not easy to lose. - Wide application: Universal replacement zipper sliders in multiple sizes and shapes. Suitable for repairing zippers on luggage, outdoor gear, wallets, bags, and backpacks. - Zipper installation pliers: About 10.2 cm long, ideal for installing zipper pins. Compatible with zipper pins of different sizes. Nylon handles with non-slip textured grips, durable and colorfast. Easy to use; you can replace almost all conventional zippers and also extend the zipper length. Non-slip, comfortable to hold. Make the zipper yourself.