Product Features: Coming with 12 dies allowing for 50/48mm, 46/44mm, 42/40mm, 38/36mm, 34/33mm, 32/31mm, 30/28mm, 26/24mm, 23/21mm, 20/18mm. ABS plastic dies with a metal screw in the middle make it more durable, and won’t scratch your watch. Easy & quick to fix watch: only three steps – choose two suitable dies, screw them on the press tool, and then press down the handle. Good for closing your snap back watch case after repairing job, not for crystal apart. Note: Before pressing the cover, make sure to use the correct fitting dies to avoid damaging the watch. Equipped with a cleaning cloth for padding under your watch while press to protect your watch well. Specification Color: As shown. Material: Metal & ABS. Size: About. 16.5 * 8 * 14 cm/ 6.50 * 3.15 * 5.51 inch (L * W * H). Sturdy and easy to use metal press. ABS dies won’t scratch or mark the watch. This dies snap on and off quickly and easily. An essential tool for watchmakers and watch repairers. Package included: 1 x Watch Press Tool 12 x Dies 1 x Glasses Cloth Attention: 1. Before using this tool to close the watch back cover, you must choose the most suitable dies. 2. It is better to pad a cleaning cloth under the watch for protection while closing the watch back cover. 3. Place the watch on the bottom die and make sure it is in the correct position before closing the watch back cover. 4. Please read the instructions or use tutorial in the product’s page carefully before use.