Strong Magnetic Grip: Each magnetic screwdriver bit has powerful magnetism to hold screws securely, preventing slips/stripping—ideal for precise fastening in DIY or professional tasks. Anti-Slip Design: Anti-slip teeth on bits enhance grip on screws, reducing cam-out. Perfect as anti slip screwdriver bits for stable, efficient work with impact drivers or drills. 9 Sizes for All Needs: Covers 25mm to 150mm lengths (long screwdriver bits included), fitting various screw types—no need for extra screwdriver bit sets. Durable Alloy Steel: Made of high-grade alloy steel, these impact bits resist wear/torque damage, ensuring long-lasting use for heavy-duty or frequent projects. Universal Compatibility: Works with electric drills, manual screwdrivers, impact drivers; compatible with PH2 impact driver bits and impact drill bits—versatile for toolkits., Manufacturer: Nocecfi