The item is a set of 360pcs professional watch band strap link pin spring bars in 18 different sizes, which are made of high-grade stainless steel material for durable to use, and suitable for men and women to repair watches. Those spring bars are specially used for metal watch band strap links, and are kept in a transparent plastic box for keeping the different sizes separated and easy to access. Features - Brand: UEETEK. - ColorSilver - Material: Stainless steel. - Size: 8mm-25mm. - Diameter: about 1.5mm. - 360 pieces of the stainless steel watch band link pin spring bars in 18 different sizes in one set will be sold together. - and 360pcs Stainless Steel Watch Band Strap Link Pin Spring Bars. - 360pcs watch band strap link pin spring bars in 18 different sizes, and each size includes 20 pieces: 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm. - Stainless Steel watch spring bars, can be used for metal watch strap links. - Those watch link are kept in a transparent plastic box for keeping the 18 different sizes separated and easy to access. - Warm Tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 360 x UEETEK Stainless Steel Watch Band Strap Link Pin Spring Bars in 18 Different Sizes - 8mm-25mm (Silver) 1 x UEETEK Transparent Plastic Storage Box