Size 3 Brass Metal Teeth Closed End Zipper, Custom Length Auto Lock Sewing Zipper, Multiple Puller Styles for Denim Bag Shoe Apparel Accessories

This Size 3 closed end metal tooth zipper is made of sturdy brass alloy teeth and woven fabric tape, equipped with various pull tab styles and built-in auto lock function, and supports fully customized length production. Smooth metal teeth and stable locking sliders deliver long service life for denim pants, fashion garments, leather bags and footwear sewing projects.

Durable Polished Brass Alloy Teeth

The core advantage of this zipper is the solid brass alloy metal teeth with mirror polishing treatment. Uniformly formed teeth slide smoothly without jamming, resisting rust, abrasion and deformation after frequent repeated pulling. Hard metal structure provides strong bearing capacity, perfectly matching thick denim and heavy leather products.

Built-In Auto Lock Anti Slip Slider

All matched pull sliders adopt integrated auto lock design. The slider automatically locks the zipper position after pulling to prevent accidental sliding open during daily wearing. Multiple pull tab shapes are available to meet different design demands, all sliders fit tightly with metal teeth without separation. The closed end cut design avoids fabric fraying after long-time washing and sewing.

Customizable Length & Wide Compatible Sewing Scenarios

This Size 3 zipper supports fully customized length according to your production requirements. It fits multiple sewing applications, can be sewn on denim trousers, fashion outerwear, casual leather handbags and various shoe products. It works well for small batch handmade DIY and large scale garment factory bulk orders.