[OT CLASPS]: OT clasps come with 200pcs open jump rings. Jump rings are necessary accessories at the end of your diy necklace or bracelet, so you dont need to buy additional jump rings in bulk. OT buckle design is simple and easy to use. Just put the T bar into the toggle and make the bar horizontal, it can be closely buckled, and also be paired with a variety of jewelry.[STAINLESS STEEL TOGGLE CLASPS]: A box containing 30 sets silver toggle clasp, 30 sets gold toggle clasp and 200pcs open jump rings , very suitable for jewelry making diy necklaces, bracelets, anklet, sweater chain, bag zipper and other craft production, bringing you the joy of handcrafting.[SIZE AND CONTNET]: O toggle ring clasps: 15mm(0.59in) diameter, 2mm(0.08in) thick. T bar clasps: 21mm(0.83in) length, hole: 2mm. Open Jump Rings: 8mm(0.32in) diameter, 1.2mm(0.05in) thick, 5.6mm(0.22in) inner diameter. Come with plastic box * 1pc.[PREMIUM MATERIAL]: OT clasps are made of alloy, which is not easy to fade, durable and rust-proof, not easy to break and deform. Jump rings are made of 304 stainless steel, have a metallic luster, won't change color or rust.[THOUGHTFUL GIFTS]: OT clasps are very meaningful gifts, especially on birthdays, Mother's Day, Halloween, Christmas, Wedding Anniversary, Thanksgiving and other festivals, bringing unique surprises and joy to friends and family. You can also enjoy diy activities with them, and have a happy time together.