Features: Versatile socket adapter converts 1/2inch square drive to 1/4" hexagonal drive, for most bits and sockets, crafted from hardened alloy steel for extreme durability in heavy duty applications. Precise engineered with spring loaded steel ball locking mechanism ensures secure tool connection and quick bit changes, while anti rust surfaces treatments withstands corrosions in humid environments. Essential for mechanics, construction workers, and DIYer enthusiasts seeking professional power tool accessories for demanding drilling and fastening tasks. Optimizes efficiency in automotive repair shops, metal fabrication projects, and home workshops where impacts wrenches require seamless switching between drill bits and sockets. Recessed square edges minimize bolt head slippage during high torques operations, complemented by knurled grip design for enhanced control when handling stubborn fasteners. Specifications: Interfaces: 1/2inch square hole to 1/4" hexagonal hole Size: 50mm Package Includes: 1pcs/2pcs Drill Bit Converter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.