Application: fit for many kinds of cords, it can be use with satin cord, leather or leather to make a beautiful necklace or bracelet. Widey used: suitable for necklace, bracelet and jewelry making, can also help adjust the length of the bracelet or necklace, and it has beautiful appearance, make your bracelet and necklace more distinctive. What you will get: the package includes 10 sets snake shaped hook bracelet clasps, which are in silver color. Hole size: approx. 6.5 mm. The whole length of the clasp is approx. 40mm. Material: they are made of alloy, stain resistant, can be used for a long time.