Converts 1 / 2inch square to 1 / 4inch hexagonal Features quick changing collar for rapid bit loading Crafted from high strength metal, this adapter is wear resistant and corrosionproof, making it suitable for various complex working conditions Complete Accessories: Includes O rings and pins for stable attachment to power tools, slippage during operate while maintaining compact portability Ideal for professional repair technicians, enthusiasts, and users who frequently change tool heads Perfectly suited for automotive repairs, furniture assembly, and construction projects, providing convenience and speed in every task, Manufacturer: APGLSXY