1. Selected Materials: quality metal collets and collets made of spring steel are wearresistant, shockresistant, and tearresistant, ensuring sturdiness and durability. They maintain even under harsh working conditions for extended periods. 2. Precision: The product guarantees precise workpiece positioning during machining, with a combined accuracy of up to 0.0008 inches. It is suitable for various operations such as milling, drilling, tapping, and other related tasks, delivering quality results every time. 3. Complete Accessories: The package includes an MT3 ER32 M12 Collet Chuck and a set of 15 ER32 collets for MT3 ER32 M12 machines. Additionally, a BT ER extension rod handle is provided for holding drills, routers, drill bits with cylindrical shanks, and router bits with cylindrical shanks, compatible with CNC router lathes and engraving machines. 4. Wide Clamping Range: Equipped with 15 different sizes of ER32 collets (0.12in, 0.16in, 0.20in, 0.24in, 0.28in, 0.31in, 0.35in, 0.39in, 0.43in, 0.47in, 0.51in, 0.55in, 0.63in, 0.71in, 0.79in), this set offers a diverse clamping range, providing the flexibility to seamlessly complete a wide variety of tasks.