Product Description Enhance precision and efficiency in your woodworking or machining projects with this ER16 Spring Collet Chuck set. Designed for reliable performance and compatibility, it provides secure bit holding for accurate results. Package includes: 1 x ER16 Spring Collet Chuck (6.5 mm clamping diameter) 1 x ER16 Router Collet Chuck Extension Rod Key Features: ER16 Router Collet Extension Rod: 1/4 inch shank; designed to accept 1/4 inch shank bits only ER16 Spring Collet: 6.5 mm clamping diameter for accurate and secure grip Overall collet size: 17 mm diameter x 27.5 mm height (0.67 x 1.08 inches) for compact integration Durable construction ensures longlasting performance under regular use Proper installation requires placing the collet into the collet chuck nut before inserting into the collet chuck Functions and Benefits: Provides stable, vibration bit holding for cleaner, more precise cuts Extends your router's reach with the chuck extension rod, allowing easier access to hardtoreach work areas Compatible with standard 1/4 inch shank bits, ensuring versatility and wide application Use Scenarios: 1. Ideal for detailed woodworking tasks such as routing grooves, decorative edges, or precise joinery when accuracy is essential 2. Useful in CNC machining for holding small shank tools securely, ensuring repeatability in production runs 3. for extending reach when working on larger panels or fixtures without compromising tool stability This ER16 Collet Chuck set combines precision engineering with ease of use, making it a dependable choice for professionals and hobbyists requiring accurate bit alignment and secure tool holding.