General description High-quality brass collet set, durable and practical, designed for Dremel rotary tools. This set includes 10 precision collets suitable for various applications. Technical specifications Collet diameter range: 0.5 mm to 3.2 mm Shank diameter: 4.3 mm Included sizes: 3.2 mm, 3.0 mm, 2.4 mm, 2.0 mm, 1.8 mm, 1.5 mm, 1.2 mm, 1.0 mm, 0.8 mm, 0.5 mm Compatibility and accessories Compatible with most rotary tools