Ko-Ken is a Japanese precision tool brand supplying professional-grade sockets, socket sets, ratchets, and hand tools to automotive, engineering, aerospace, and industrial operations across Australia. The Ko-Ken Flare Nut Socket is a precision Ko-Ken tool manufactured to professional grade for reliable performance in automotive, engineering, and industrial maintenance applications. Where this product is used Ko-Ken flare nut sockets grip hexagonal fittings on brake lines, hydraulic tubes, and fuel lines with a split socket profile that prevents rounding of soft fittings during tightening and removal. Brake line, fuel line, and hydraulic tube fitting removal and installation without rounding Maintenance of soft material fittings on automotive and industrial hydraulic systems Fitting tightening where open-ended spanners have insufficient access or grip Key specifications Refer to the product title and description for specification details, or contact AIMS Industrial for full technical information on the Ko-Ken Flare Nut Socket. Selecting the right option Select by drive size and across-flats fitting size in mm. Flare nut sockets are designed for hydraulic and fuel fittings — they must be used instead of open-ended spanners where fitting rounding is a concern. Confirm the fitting is hex — flare nut sockets do not suit AF or non-hex fittings.