YKK zippers are the most widely used and common in the garment industry!
1/ Metal Zippers
Models: No. 3, No. 4, No. 5 (most common for jeans), No. 7, divided into open-end and closed-end. Open-end is usually used at the front center of jackets, while closed-end is used for pockets and trouser fly.
Colors: Antique Brass, Brass, Nickel, Antique Copper (common in 501s)
Zipper Heads: Auto-lock, Spring-lock
2/ Plastic Teeth Zippers
Types: Polyester teeth, Resin teeth
Models: No. 3, No. 4.5, No. 5, No. 8, also divided into open-end and closed-end. There are also invisible zippers.
Zipper Heads: Auto-lock, Semi-auto-lock
