Feature:1. Made of high quality material, strong and durable to use.2. Lightweight and portable, easy to store and carry.3. High precision, not easy to deformation and fracture.4. 10 different size, suit different needs.5. Nice tool for watchmakers or people who want to repair their own watches.Specification:Condition: 100% Brand NewMaterial: Metal Box Size: Approx. 8.5 * 6.5 * 1.5cm / 3.3 * 2.6 * 0.6in Weight: Approx. 40g / 1.48ozPackage list:1 * Box of Screw