For those who enjoy DIY projects, the brass collet set is a must-have. Use it with your mini drill chuck to achieve precise results in crafting and engraving. The keyless chuck design allows for quick bit changes, making it convenient for detailed work. Simply rotate the swivel chuck to secure the bit, and you're a smooth operation. Features -Color:Yellow -Material:Brass -Size:1.60X0.40X0.40cm/0.63X0.16X0.16in -Reliable four jaw chuck: provides a secure and stable grip on various bits, ensuring accuracy and reliability in your work -Copper material: constructed from copper, this chuck is highly reliable, allowing long time use -Comprehensive set: this electric drill chuck set is designed for multifunctional use, compatible with a wide array of electric grinding accessories -Effortless installation: features a simple and installation process, making it easy to change accessories quickly -Extensive compatibility: suitable for a variety of electric grinding tools, making it a versatile addition to any toolkit for multiple applications Package list: 10 x Brass Collet Chuck