Features:_x000D_ _x000D_ High-precision thread and tapered holes can be tightly attached to the tool. _x000D_ The housing is treated with electrophoretic paint, making the product anti-rust even in worst environment. _x000D_ By using specialized anti-thrust bearing to convert key-applied torque into superior gripping. _x000D_ The clamping jaws are specially treated to improve wear resistance. _x000D_ Enjoying super precision and durability. _x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Specification: _x000D_ Condition: 99.99% Brand _x000D_ _x000D_ Material: Stainless steel _x000D_ Clamping range: 0.6-6mm / 0.02-0.24in _x000D_ _x000D_ Package list: _x000D_ 1 * Drill Chuck _x000D_ 1 * Key 1High-precision thread and tapered holes can be tightly attached to the tool. 2The housing is treated with electrophoretic paint, making the product anti-rust even in worst environment. 3By using specialized anti-thrust bearing to convert key-applied torque into superior gripping. 4The clamping jaws are specially treated to improve wear resistance. 5Enjoying super precision and durability.