Description This precision spring collet set is made of high-strength materials to ensure superior clamping power and stability. We offer 15 collets that provide precise performance for both rough machining and fine engraving, making it an indispensable tool for every artisan in pursuit of efficient craftsmanship. Key Features Selected Materials: Premium metal collet chuck and high-grade spring steel collets are wear-resistant, impact-resistant, and tear-resistant, strong and durable, and can remain in good condition for a long time even under harsh working environments. High Precision: The product ensures precise positioning of workpieces during machining, with a combined accuracy of up to 0.0008 inches, which is suitable for various operations such as milling, drilling, tapping, and other relevant tasks, ensuring quality results every time. Complete Accessories: We offer one MT3 ER32 M12 collet chuck and 15 x ER32 collet chuck sets for MT3 ER32 M12 dedicated machines (not included).