Features High-Precision Attachment: Engineered with precision threads and tapered holes for a secure fit, ensuring reliable performance during your milling tasks Superior Durability: Electrophoretic paint treatment enhances resistance to harsh environments, prolonging the life of your tool under challenging conditions Enhanced Gripping Power: Utilizes specialized anti-th bearing technology to effectively convert key-applied torque into exceptional grip strength Improved Wear Resistance: Clamping jaws undergo special treatment for enhanced durability, providing long-lasting performance even under heavy use Exceptional Precision: Designed for maximum precision and longevity, making it an ideal choice for both professional and DIY projects Features: 1、High-precision thread and tapered holes can be tightly attached to the tool. 2、The housing is treated with electrophoretic paint, making the product anti- even in worst environment. 3、By using specialized anti-th bearing to convert key-applied torque into superior gripping. 4、The clamping jaws are specially treated to improve wear resistance. 5、Enjoying super precision and durability. Specification: Features: High-precision thread and tapered holes can be tightly attached to the tool. The housing is treated with electrophoretic paint, making the product anti- even in worst environment. By using specialized anti-th bearing to convert key-applied torque into superior gripping. The clamping jaws are specially treated to improve wear resistance. Enjoying super precision and durability. 0.6-6mm B10: 0.6-6mm denotes that clamp the drill between 0.6 and 6mm, and B10 represents the hole behind the chuck is about 16MM taper. Specification: Condition: 100% Material: Stainl steel Clamping range: 0.6-6mm / 0.02-0.24in Package list: 1 * Drill Chuck 1 * Key Package List