Diamond-coated screwdrivers have fine diamond particles coated on the tip of the screwdriver, which grip the screw grooves to prevent slippage (cam-out). Key Features: Prevents Cam-Out: The rough diamond particles firmly grip the inside of the screw head, making it difficult to slip out even in situations where slippage is likely, such as when using power tools. Improved Work Efficiency: By preventing cam-out, it protects the screws and screwdriver, increasing work efficiency. Wide Range of Applications: Particularly effective for screws that are prone to slipping, such as stainless steel screws.