grade Chrome V Steel 3/8 square socket bits are heattreated for enhanced hardness, delivering up to 30% more rotational force than standard bits. This helps you tackle stubborn bolts with reliability, whether you are a professional mechanic or a DIY enthusiast. Sandblasted OxidationResistant Finish on the hex bit socket exterior provides oxidation protection and keeps engraving visibility clear through years of heavy use in garages and workshops. 110mm Extended Reach Design extends your access to difficult fasteners in motor compartments and tight corners where regular tools fail. The set provides 7 sizes (1/8 to 3/8) to cover 95% of common scenarios. Organized Portable Storage comes in a compact case that prevents loss and damage during jobsite transport. You can save about 15 minutes per project by quickly identifying the correct size, avoiding scattered tool searches. Practical use scenarios Automotive or motorcycle maintenance in tight engine bays where long reach and strong torque are needed to remove or install fasteners without removing surrounding components. Appliance or machinery service where fasteners sit behind panels or inside cramped housings, requiring extended reach and reliable performance. DIY projects and bike maintenance in garages or workshops, providing a versatile range of sizes from 1/8 to 3/8 to handle a wide variety of common fasteners with a single organized kit.