• Screw and nut kit with 12 different types: M1, M1.2, M1.4, M1.6 • Includes 600 pieces in total, suitable for repairing watches, glasses, electronics, and other devices • Screws and nuts organized in a sturdy plastic box, easy to carry and use • Stainless steel material ensures durability and corrosion resistance • Box size: 8 x 1 cm; approximate weight: 64 g • Detailed contents: M1.2 nuts (50 pcs), M1.4 nuts (50 pcs), M1 x 3.6 (50 pcs), M1.2 x 3.6 (50 pcs), M1.4 x 2.4 (50 pcs), M1.4 x 2.6 (50 pcs), M1.4 x 2.8 (50 pcs), M1.4 x 3.0 (50 pcs), M1.4 x 4.0 (50 pcs), M1.4 x 4.5 (50 pcs), M1.4 x 1.6 (50 pcs), M1.6 x 4.5 (50 pcs) • Ideal for repairs that require small screws in watches, glasses, and electronic devices • Practical storage box to keep screws organized and easily accessible • The kit is well packed and allows you to easily remove the necessary screws