Size - 0.8mm star head, 3.15" (80mm) total length. Durable - The shaft is nickel plated for corrosion and rust resistance, providing durability and longevity. Comfortable Grip - Non-slip handle design, moderate size and length, easy and convenient to use. Easy To Carry - lightweight and compact design, fit in the pocket. Widely Used - watch repair, watch battery replacement, remove watch bracelet screw links, eyeglasses repair, electronics repair, etc. 1. The shaft surface is nickel plated for corrosion resistance. 2. The handle is made of ABS plastic material, non-slip and comfortable hand feeling. 3. The top of handle is hexagon, which can be used with a wrench to add torque. 4. This screwdriver is suitable for repairing many small products, such as Phones, electronics, glasses, watches, metal clasps, etc. 5. Fit for fixing anything with micro screws or other DIY work Specification: Star Head Size: 0.8mm Total Length: 80mm / 3.15-inch Handle Material: Plastic Shaft Material: Carbon Steel Shaft Finish: Nickel Plated Package Content: 10 x Micro Screwdrivers