Application: watch repairing, watch battery replacement, remove watch band screw links, eye glasses repairing, and other electronics repairing, etc. Features: Magnetic screwdriver heads is easy to suck screws, so small screws will not fall off (not applicable to stainless steel screws). They also provides a comfortable grip and nice torque control. The screwdriver is perfect for the repairing of all kinds of small objects. Fine workmanship can avoids scratches. Ergonomic handle allows you to hold it easily without any discomfort. Screwdriver heads are made of fine quality alloy steel, stable and not easy to break, with high wear and corrosion resistance. Each kind of screwdriver has a different color and icon to quickly find the one you need. Specifications: Type: red 0.8, dark blue +1.5, green 2.5, yellow T2, blue Y0.6, dark grey +1.2, all colors in a set (optional) Material: alloy steel Item size: 117 * 18mm / 4.6 * 0.7in Package size: Single-one: 137 * 40 * 26mm / 5.4 * 1.6 * 0.6in A set: 187 * 159 * 24mm / 7.4 * 6.3 * 0.9in Package weight: Single-one: 45g / 1.6ounce A set: 228g / 8.0ounce Packing List: Single-one: 1 * Screwdriver A set: 6 * Screwdrivers (red+dark blue+green+yellow+blue+dark grey)