This 7piece drill chuck collets set provides secure, quickchange support for mini tools. Designed to hold small drill bits from 0.5 mm up to 3 mm, it enables fast bit changes and reliable grip for precise work. Key benefits Quickchange compatibility for mini tools using a 5.05 mm interface, enabling fast tool switching Wide 0.5 to 3 mm range covers a variety of small drilling and milling tasks Secure clamping reduces runout and improves drilling accuracy Compact, multipiece set offers the right collet size for different bit diameters Durable construction built to withstand repeated use in hobby, workshop, or studio environments Key attributes Functionality: holds micro drill bits from 0.5 to 3 mm with a quickchuck system Compatibility: designed for mini tools with a 5.05 mm quick chuck interface Size: 7piece set covering the 0.5–3 mm range Material: construction intended for robust collet performance (material not specified) Performance: provides reliable bit retention and quick bit changes for precision work Use cases and applications Jewelry making and bead drilling requiring smalldiameter bits Model making, miniature work, and detailed engraving or drilling on plastic or wood PCB or electronics prototyping where precise, smalldiameter drilling is needed What's included 7 drill chuck collets covering the 0.5–3 mm range for quickchuck mini tools (5.05 mm interface) Tips for use Select the closest collet to the bit diameter for a secure fit Insert bits fully and tighten properly before operation Keep the interface clean to maintain smooth tool changes and grip