Mini Drill Chuck Set – 4.2mm – 10 Pieces This 10piece mini drill chuck set is designed for precision tasks, versatile applications, and reliable performance. Built to fit a wide range of rotary tools, it offers secure and stable clamping for various bit sizes, making it ideal for both hobbyists and professional users. Key Features: **Complete Set**: Includes brass chucks with 4.2mm and 4.8mm shafts, ensuring compatibility with a variety of rotary tools and accessories. **Secure 4Claw Grip**: Provides a stable hold on drill bits and attachments, reducing slippage during operation. **Wide Clamping Range**: Accepts bits from 0.5mm to 3.2mm, offering precision fit for multiple diameters in sanding, milling, polishing, and other tasks. **Durable Copper Construction**: Manufactured from heattreated copper for enhanced hardness, wear resistance, and longlasting performance under repeated use. **Universal Rotary Tool Compatibility**: Works with most electric grinders, hanging mills, and flexible shaft hose systems. Easily adapts to different shank sizes without compromising grip or performance. Benefits and Applications: **Hobby and Craft Projects**: for smallscale drilling, engraving, and shaping in model making, jewelry design, and DIY crafts. **Workshop Use**: Ideal for precision drilling, polishing, and milling in maintenance and fabrication tasks. **Portable Work**: Lightweight and compact, allowing convenient use when traveling or working in offsite locations. Specifications: **Shaft Sizes**: 4.2mm and 4.8mm **Clamping Range**: 0.5mm–3.2mm **Material**: Copper with heat treatment for strength and durability **Grip Type**: 4claw chuck design for secure bit holding This set provides the flexibility and reliability needed for a wide range of precision tasks, ensuring your rotary tools can adapt effortlessly to the job at hand.