Durable Material: High-precision electric router wood chuck, made of carbon steel, good flexibility and wear resistance, fine workmanship and stable performance. Efficient Practicality: Light and easy to carry, high-precision clamping, tight and stable, improve work efficiency. It is the perfect choice for woodworking. Split Socket Converter: High precise clamping force, good grip stability. Suitable for rebuilding engraving machine and woodworking milling spindle, it can help you make better, more efficient and more durable processing products. Wide range of applications: suitable for engraving machine, woodworking milling cutter, cutting machine, engraving cutting machine, etc. High strength and stability. Features: 1. Made of carbon steel, high precision, tight and stable clamping, improve work efficiency. 2. Ideal helper to improve work efficiency. Suitable for mold making, woodworking tools. 3.Suitable for installation and modification of engraving machines, milling cutters,