Features: This versatile 8 piece drill chucks adapter set delivers universally compatibility with most drill models, eliminating tool switching frustrations for seamless project execution. Featuring a tool less quick install design, it enables rapid attachment and detachment without additional tools, boosting efficiency and reducing downtime. Ideal for professional such as renovation workers, and maintenance technicians who require frequent drill bit changes during tasks. Perfect for diverse settings including home DIYer repairs, professional construction sites, and outdoor engineering jobs where adaptability is essential. Crafted from high strength metal with a portable storage case, this power tool accessory ensures durability and easy organization for reliabled, on the go use. Specifications: Component:: Metal Suitable for most standard electric drill adapters, the specific dimensions are in line with regular market requirements. Size:As Picture Shown Package Includes: 8pcs Drill chucks Adapters note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.