Features: 1.WIDELY USED: Spring cord lock can be used for face covers, collars, shoelaces, belts, harnesses, backpacks, parachute cords, camping, hiking, emergency survival wilderness accessories, etc. . 2.METAL MATERIAL: Spring toggle stopper is made of premium zinc alloy material, not easy to break, very strong and durable, can be used for a long time. 3.STRONG SPRINGS: The double hole cord stopper has strong springs that help prevent the rope or drawstring from slipping, keeping the rope locked and secure. 4.EASY TO TIGHTEN: The metal cord locks attach to the cord and can be tightened without the use of knots, perfect for outdoor activities. 5.PRACTICAL AND CONVENIENT: The cord locks allow climbers to quickly secure clothing and camping equipment in cold conditions when wearing heavy gloves on their fingers.specification:Item Type: Spring Cord Lock Material: Zinc Alloy Usage: The Rope Lock End Spring Limiter Adjuster Is Suitable for All Kinds of Drawstrings and Different Types of Ropes, Such as Shoe Laces, Backpack Straps, Pants, Such as Hooded Jackets, Laundry Bags, Sportswear, Tents, Etc.PackageList:30 x SpringCordLock