Features: This set of 3 drill Chucks Key is designs for precisions and durability, ensuring a secure grip on your drill bits each time . Crafted from high carbon steel, these Chucks Key offer exceptional strength and long service Performances, making them essential addition to any toolboxes. Suitable for DIY enthusiasts, professional contractors, and workshop technicians who require reliable tool for their projects. Perfect for use in various setting such as home improvement projects, construction site , and mechanical repairs where precise drilling is vital . Enhances your tool collection with these Multifunction drill Chucks Key , Suitable for most standard drills, providing ease and efficiency in your tasks. Specifications: Material: carbon steel Size: about 10/13/16mm Package Includes: 3xDrill Chucks Wrench Set note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.