The EXTRA-RV drill chucks impress with their user-friendliness. The drill chuck is clamped and locked with a single manual operation. The radial locking device prevents the unintentional release of the drill bit during ClockWise and counterclockwise rotation and makes percussion drilling possible. Thus, these quick-action drill chucks are predestined for use on hand-operated drills. Due to the weight-reduced design as well as the easy handling, the RÖHM EXTRA-RV drill chucks are optimally suited for use on hand-operated drills. In addition, the drill chucks are impact-resistant and can therefore be used universally. ADVANTAGES AT A GLANCE - Easy clamping and locking with one manual operation for maximum user-friendliness - Radial locking device to prevent release of the drill bit during clockwise and counterclockwise rotation - Impact-resistant for universal use Keyless drill chucks for cordless screw-drivers, cordless and corded drills with hexagon for assembling and disassembling on the machine spindle. This drill chuck series is specially designed for use with cordless screwdrivers, cordless and corded drills. The ideal chuck for professionals and D.I.Y. users. One-piece design without retaining ring for machines with spindle stop. Technical features: - very ergonomical, easy to handle, equipped with collision protector - high concentricity - with through-hole for clockwise and anti-clockwise rotation (security screw M 5 or M 6)