Single Flexible Wrench Double Head Open End Size 17mm - Material and finish: Made of chrome molybdenum steel, with a highly polished finish and heat treatment for durability and long wear resistance. - Double head design: Combines an open end with a flexible head to provide versatile access in a single tool. - Precise ratcheting: 72-tooth ratchet mechanism allows operation within 5 degrees, improving efficiency in tight or restricted spaces. - Flexible head with wide adjustment: The flexible head rotates 180 degrees front and back to address limited-space tasks from multiple angles. - Size and compatibility: Open end size 17 mm, suitable for fasteners of that size. - Use scenarios: - Automotive maintenance in cramped engine bays where space is limited. - Bicycle repair in tight frame areas, such as crank bolts and derailleur adjustments. - Plumbing or furniture assembly behind cabinets or under sinks where space is restricted.