[925 Sterling Silver Clasps]: Silver oval clasp are made of 925 sterling silver, smooth and elegant surface, soft metallic luster, good ductility, no reaction to most acids, not easy to deform, suitable for long-term wear. [Featured Decoration]: Our carbine key chain adopts an oval design, whether you want to make a jewelry pendant or a key connector, it can be done easily. Designed to be an elegant addition to any jewelry accessory collection that wants to stand out with unique, luxurious style. key chain ring will add attractiveness to your design. [2Pcs Clasps In A Box]: 2Pcs spring clasps in 2 sizes, 1 for each size, all packaged in a small box: 68x52x11, easy to not lose the pieces, can keep clasps for dirty. [Size]: Spring gate rings: about 0.24 inch(6mm) wide, 0.35 inch(9mm) long, 0.08 inch(2mm) thick, inner size: 0.20x0.16 inch(5x4mm); about 0.37 inch(9.5mm) wide, 0.49 inch(12.5mm) long, 0.12 inch(3mm) thick, inner size: 0.31x0.24 inch(8x6mm). [Wide Application]: This is best choice to learn jewelry making for beginner, only connect semi finished and get new bracelet. Great presents to your family members and friends on Valentine's day, Halloween, Christmas, New Year or birthdays.