20-Piece Micro Drill Bit Set - Small Hole Drilling Tools for Circuit Boards & Engraving

• [Product content] You will receive 20 pieces of alloy small drill bits with a size range of 0.1-1mm, and a black marker pen with a size of 13.5*10.8cm, which is suitable for circuit board drilling and fine engraving.
• [Product material] This product is made of alloy material, the drill bit is durable and suitable for long-term use.The shell of the marker pen is made of plastic material, which is lightweight and durable, and the writing is smooth.
• [Precision machining] This miniature drill bit set is designed for precision machining and is suitable for drilling and engraving small holes in circuit boards, wood, plastics and other materials.A variety of sizes of 0.1-1mm provide flexible options to meet different processing needs.
• [Easy to use] This product is designed to be simple and easy to use, suitable for home users and professionals.The drill bit is easy to install on an electric drill or engraving machine, and the marker pen is suitable for precise marking on the surface of the material, which is easy to operate.
• [Widely used] This product is suitable for circuit board manufacturing, jewelry processing, wood carving and other occasions, and is an ideal choice for electronic engineers, jewelers and DIY enthusiasts.

Product description Small drill bit Material: alloy Size: 0.1-1mm Quantity: 20 pieces Marker pen Material: Plastic shell Size: 13.5*10.8cm Color: black Features 1.This alloy small drill bit is durable and suitable for precision drilling and engraving of circuit boards, wood, plastics and other materials. It has a variety of sizes to meet different processing needs. 2.The included black marker shell is made of plastic material, which is smooth in writing and suitable for precise marking on the surface of the material. It is an ideal tool combination for electronic engineers and DIY enthusiasts.