One-Handed Bit Changes - The Universal Holder One-Click offers easy bit changes with extra-firm bit hold in universal screw-driving applications. It features a One-Click Function on the chuck that allows one-handed bit changes and further supports the strong bit hold. Furthermore, a permanent magnet ensures a firm and secure grip of the bits in use. The Universal Holder is excellent for all fixing jobs requiring power tools. It has a 1/4-inch external hex shank and is intended for use with screwdrivers and drill drivers. Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼ internal hex tool holders One-Handed Bit Changes with Extra-Firm Hold Universal Holder One-Click offers easy bit changes with extra-firm bit hold in universal screw-driving applications One-click chuck function for one-handed bit changes and extra-strong bit hold A permanent magnet ensures a firm and secure grip Excellent for all fixing jobs requiring power tools