Lobster clasp Size:6x12mm,Knuckles Size:24x14mm,This listing is for an attractive zipper pull charm. You can use it to personalize just about anything that needs a zipper. You can use zipper pull charms to personalize gym bags, backpacks, luggage, purses, hoodies, jackets, coats, boots, key chains, dust plug clip on to a necklace or bracelet and earrings, your daily planner or travel journal ..the options are endless. The charm is Antique Silver which is a lead free and cadmium free metal alloy. It's lightweight so it shouldn't come down with gravity alone. The clasp is made from a high quality Stainless Steel and will not tarnish. A perfect inexpensive gift idea for her or him, this zipper pull charm is versatile and charming! Attach it to something special or gift as it is.Zipper Charm hangs from a small lobster clasp making it easy to attach and remove quickly, with no tools required.