20 Mini drill bits are available in a variety of sizes, including diameters of 0.3/0.35/0.4/0.45/0.5/0.55/0.6/0.65/0.7/0.75/0.8/0.85/0.9/0.95/1.0/1.2/1.3/1.4/1.5/1.6mm, providing solutions for a variety of project needs and meeting your diverse usage requirements. Made from high-quality alloy steel, mini drill bits is , pointed, making it ideal for drilling holes in wood, plastic, and other soft materials. It withstands daily use and is suitable for long-term use. The spiral design reduces friction, ensuring efficient drilling and faster drilling. The straight shank ensures precise drilling, making it ideal for crafts, jewelry making, and handicrafts. Small drill bits is quick and easy to use, easy to operate, and easy to store and carry. Each small drill bit is securely fixed, ensuring it's always within reach, ensuring efficient work. Suitable for crafts, woodworking, and jewelry making. DIY and electronic parts maintenance, but not recommended for hard materials such as steel Material: Alloy steel + ABS Color: Silver, Black Weight: 32 Package Contents: 20 pcs * micro drill bit set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.