300Pcs Alloy Lobster Claw Clasps with Open Jump Rings, Necklace Fasteners Hook for DIY Jewelry Making Accessories(10x5mm-Gun Black). Shop Ciseng at the Arts, Crafts & Sewing store. Free Shipping on eligible items. Save on everyday low prices.. 【Material】The lobster clasp is made of metal alloy, has good corrosion resistance and durability, easy to use and long-term maintenance. 。 【Sizes】The lobster clasp is 10x5mm,the diameter of jump ring is 5mm. 。 【DIY】Lobster clasp and jump ring are the basic combination as a bracelet or necklace connector,right size makes DIY jewelry more convenient. 。 【Stronger】The alloy material will make the connection stronger, and it will not fall off and be damaged easily during use. 。 【Package Include】100pcs lobster clasp & 200pcs jump rings.If you have any questions about the product you received, please contact us in time. 。