Double Open Design:Dailyacc’s Lobster Clasp are equipped with 2 claw clasps at 2 ends, suitable to connect chains.its really easy to use - just push the protruding at the lobster clasps down and open them to attach with your chains or jewelry necklace items.It's locked securely and won't open itself.protect your small items from falling off Perfect Size:we have Two different size - approximately 0.24 x 0.47in / 0.31 x 0.63in for your choice.this item is 0.24 x 0.47 inches perfect for small and medium jewelrys design and handicrafts. Material:Our Jewelry Clasps made Of stronger and more durable, will never fade, rust, tarnish.don't have to worry about losing your precious necklace! Simply tie your favorite necklaces bracelet around the left and right sides of the clasp. Widely Used:compatible with various DIY jewelry.make exquisite jewelry crafts as presents.Suitable for valentine's day, mother's day, christmas, birthday, anniversary, wedding, party or any special occasions. Double Open Design suitable to connect chains