Features: High-Quality Materials: spring bars are made of stainless steel, durable, can repair watches for a long for time, and are widely used in various watch band replacement, watch bracelet repair and other watch repair items. Stainless Steel watch pins spring bars with double flange, used for watch strap links. Those watch link pins are kept in a transparent plastic box for keeping the 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. These quality spring bars are an extremely handy accessory to your tool kit. Great for Mens And Womens Watches repair. Specifications: Material:Metal Color: Silver Applicable model: 108pcs Approx.7x5cm/2.75x1.96inch Applicable model: 144pcs Approx.10.8x6.3x1.2cm/4.25x2.48x0.47inch Applicable model: 360pcs Approx.10.8x6.3x1.2cm/4.25x2.48x0.47inch Applicable model: 270pcs Approx.10.8x6.3x1.2cm/4.25x2.48x0.47inch Package Includes: 1 Box Spring Bars note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.