Rear End: Black hex shank

Standard 1/4 inch (6.35mm) hex shank, compatible with cordless drills, electric screwdrivers, and impact drivers.

Middle Section: Smooth metal barrel body
Built-in spring steel ball locking mechanism for automatic self-locking and secure fastening.

Front End: Knurled rotating sleeve
Knurled texture design increases finger grip. Pull the knurled sleeve backward to quickly install or remove the bit. Release it, and the bit is automatically locked in place.

Applications

Extension of working reach:
Extends bit length for deep holes and tight or narrow spaces where screws are difficult to access.

Interface conversion:
Converts a power drill chuck into a standard 1/4" bit interface, enabling quick switching between Phillips, slotted, hex, and other short screwdriver bits.

• Interface size: Universal 1/4" (6.35mm), compatible with all standard hex-shank screwdriver bits
• Material: CR-V (Chromium Vanadium) alloy steel, wear-resistant, torque-resistant, and deformation-resistant
• Overall length: Typically 50–60mm