1 / inch Drive Compatibility: Features a standard 1 / 2inch drive head that seamlessly fits most pneumatic wrenches without adapters, ensuring quick tool changes and uninterrupted workflow during mechanical repairs Made from steel for hardness and wear resistance, outperforming carbon steel sockets to withstand repeated high intensity use in auto repair shops Reinforced wall thickness and hexagonal socket structure for wrench, slippage and protecting bolt heads from rounding or damage Engineered with accurate six point for even force distribution, reducing the risk of fastener stripping and ensuring secure grip on nut and bolts Treated with anti rust and wear resistant coating for effortless cleaning, chipping even under prolonged heavy duty use in garages or workshops, Manufacturer: JAMNGHB