11 piece Hex Shank Bit Driver Extension Bar Set is designed to meet a variety of needs. Fits snugly and securely in your drill chuck or hand held driver. Consisting of your most common bit sizes 1/4″, 3/8″, and 1/2″ changing shank sizes.
Super Strong Heat Treated Chrome Vanadium Steel for Normal & Impact Drivers. Detent ball on each adapter for secure socket retention.
Suitable for a screwdriver or electric screwdriver handle tools (hexagonal hole or three-jaw chuck can) drive sleeve and after use can be installed on the size of the original hexagonal polygons converted to square head size, which can be used to install the sleeve is a good accessory to convert.
Used in the installation of pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and other installation for the hexagonal tool .It is a good accessory for conversion.
Material: chrome vanadium steel.Package included 3 pcs colour coded rings,make it easy to pick the right one.and 8 pcs sockets Bit Adapter Set