【5-SIZE DRILL BIT SET】: Make clean cuts with 15mm, 20mm, 25mm, 30mm, and 35mm drill bits. Suitable for a variety of applications, drilling into wood, plastic, and plywood. (Please do not drill into metal) 【EXCELLENT PERFORMANCE】The head is designed with an arc shape, which helps remove debris and provides high work efficiency. The cutting edge is sharp, positioning is precise, hardness is high, accuracy is high, and the cut is stable. The drill bit can drill a clean, flat-bottomed hole without chipping. 【HIGH QUALITY】High-quality alloy blades and a hardened, tempered, and carbon-bonded HSS steel structure make the blades sharper and more durable. Smoother and quieter operation. The knives are painted, waterproof, and corrosion-resistant. 【WOODWORKING TOOLS】Suitable for drilling holes in wood. The precision grinding is suitable for mass use and easy to resharpen. They can easily enlarge existing holes and drill through any arc. 【VARIOUS USES】It can be used for drilling wooden products,