Set details - Six single head bits: 00, 0, +0, +1, -3, -4 - Length: 65 mm each Material and construction - Die Hard Steel for durability and wear resistance Shank and compatibility - Hexagonal axis on the opposite side: 6.35 mm (1/4 inch) - Fits standard bit holders and drivers for broad compatibility Import status - Imported to Japan Key benefits - Durable Die Hard Steel construction extends bit life under repeated use - Size range covers micro to small fasteners commonly found in precision work - 65 mm length provides sufficient reach in tight or cramped spaces - Standard 6.35 mm hex shank enables easy insertion into compatible tools and adapters - Single head design simplifies alignment and reduces confusion during use Use scenarios - Electronics repair and assembly such as phones, cameras, and notebooks where small screw sizes are common - Precision hobby projects or model building that require micro fasteners and careful torque - Maintenance of small household appliances or delicate mechanisms where access is limited This description preserves the original specifications and focuses on practical use, compatibility, and durability for clear, professional understanding.