Versatile Compatibility: The quick-change keyless chuck accommodates various accessories with shank sizes ranging from 1/32 inch to 1/8 inch. Verify size compatibility before purchasing. Universal 3-Jaw Design: This 3-jaw chuck is compatible with Dremel cordless and corded rotary tools, supporting drill bits, sanding drums, polishing wheels, and other light-duty attachments. Robust and Reliable Build: Constructed with a one-piece metal structure for enhanced durability and safety compared to plastic models. The 3-jaw design features a built-in spring for consistent grip and extended service life. Enhanced Precision and Performance: The keyless chuck improves precision by securely holding small bits in proper alignment with the tool’s rotation axis. Maintains stability during high-speed operation. Wide Collet Size Options: Includes eight brass collets (model 4485): 0.8 mm, 1.2 mm, 1.5 mm, 1.8 mm, 2.0 mm, 2.4 mm, 3.0 mm, and 3.2 mm. Select the appropriate size for your application. Color: As shown Material: Metal Package Contents: 1 x Drill Chuck Collet Set Note: Actual color may vary slightly due to screen settings and lighting conditions. Measurements may vary by ±1–3 cm.