The item is a set of 360pcs professional watch band link 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. The stainless steel watch link with double shoulders are specially used for metal watch strap links, and are kept in a transparent plastic box for keeping the different sizes separated and easy to access. Features - Brand: Hemobllo. - ColorAssorted Color - Material: Stainless steel. - Pin color: mainly silver. - Pin thickness: about 1.0mm. - and 360pcs Stainless Steel Watch Band Link Spring Bars & Watch Pin Remover Tool Set. - Watch band link in 18 different sizes, and each size includes 20 pieces: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm. - Stainless Steel watch spring bars with double shoulders, 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. - Great for watch band replacement, watch repair, jewelry making; The special design of the repair tool can easily fit for the watch band, convenient to repair Package list: 360 x Hemobllo Watch pin spring