Features: Our drill chuck collet chuck set is suitable for rotary tool and for light duty accessories including drill bit, sanding drums, polishing wheel, wire brushes. Prevents accessories from falling or flying out during use, which provide excellent stability. The keyless chuck hold various accessories from 1/32" to 1/8" shank size. Selected from metal. They are more durability and safe than plastic materials. Offer a great improvement and holds fine bit more firmly. It not only remain stable at high rotational speeds, but also increases working efficiency. Whether you're grinding, polishing metals, carving wood, or refurbishing automotive parts, this collet set enhances your rotary tool's performances across application. Specifications: Component:Metal Size:Approx.15x11mm/0.59x0.43inch Package Includes: 1 Set Drill Chuck Collet note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.