It's a Good Quality Precision Screwdriver Set . 6 Different Sizes: 2PCS Phillips sizes (#0, #1); 4PCS Flathead sizes (1.4mm, 2.0mm, 2.4mm, 3.0mm); Our mini screwdriver set is a good choice for your jewellery repair, watch repair, eyeglasses repair and other small screws fixing. It is helpful for your daily usage. Easy to Carry: The mini screwdriver set was packed in a plastic storage case to help you keep the screwdriver organized and even easier to carry in your bag. Premium Quality: Our precision screwdriver set is made of premium chrome vanadium steel material, Hardened carbon steel shafts with a black oxide finish, durable and corrosion-resistant. The screwdriver is a slim and perfect design for small screws. Rotary Design: End cap used a rotary design, the rotation is flexible and the gap is closely combined while use, comfortable hand feeling. The spinning end caps design makes it super easy to remove or fix the screws.For use with electronics, watches, laptops, cameras, computers, small appliances.