Product Description Precision Drill Chuck Set – Black 0.3–8.0 mm and Silver 0.3–3.6 mm Key Features and Benefits: Precise Sizing and Fit: • Shank diameter: 1/4 inch hexagonal for secure and stable mounting. • Black chuck range: 0.3–8.0 mm. • Silver chuck range: 0.3–3.6 mm. • Overall length: 49 mm (2.79 inches). • Maximum outer diameter: 17 mm (0.67 inches). • Package includes: 1 black chuck (0.3–8.0 mm) and 1 silver chuck (0.3–3.6 mm). Durable, LongLasting Construction: • Housing made from quality aluminum alloy for strength and light weight. • Handle crafted with 45 steel for toughness. • Resist corrosion from moisture, chemicals, and harsh industrial conditions. • Precision machining of jaws and guide surfaces reduces friction for smoother operation and minimizes longterm wear. Reliable Performance: • Machined jaws remain aligned with the spindle to reduce runout and vibration. • Maintains accuracy for drilling, milling, grinding, and lightduty turning tasks. • Designed for smooth, consistent clamping that holds bits firmly in place. Broad Compatibility: • Fits most drills and cordless power screwdrivers equipped with a 1/4 inch hex shank interface. • Suitable for both professional equipment maintenance and everyday home projects. Practical Applications: 1. Automotive Repairs – Ideal for precision drilling or light milling when working on vehicles in garages or maintenance bays. 2. Home Improvement – for crafting, woodworking, or installing fixtures where stability and accuracy are critical. 3. Workshop and Industrial Use – Effective in warehouses or production lines requiring quick bit changes and dependable hold for light machining tasks. With robust materials, precise manufacturing, and wide compatibility, this drill chuck set ensures dependable performance in demanding environments while making bit changes fast and secure.