Features: The inner hexagonal key with a thick rod provide high torques performances. Effectively solves the problem of insufficient force for users during fastening, suitable for high-intensities use occasion such as heavy machinery and automotive maintenance. Adopting high temperatures quenching treatments to improve hardness and durability, the lifespans is extended by three times compared to ordinary materials. Ensure that the tool performs excellently in extreme environment and meets the high standard needs of professional users. Special 90 ° bending structure, convenient for operation in narrow space. Solve the problem of using traditional straight handle wrenches in restricted environment, it is particularly suitable for industry such as machine repair and electrical maintenance. The material is crafted from metal to ensure that the tool is more wear-resistant, suitable for long time high-frequency use. Compared to ordinary steel tool, the impact resistance is significantly improved, making it suitable for various harsh working conditions. It includes multiple specifications and models to meet different application needs, making it easy for users to choose and replace according to their actual situation. Suitable for comprehensive use by families, workshops, and professional maintenance personnel, providing flexible solution. Specifications: Component:Metal Size:Approx.230mm/9.05''x80mm/3.15''x40mm/1.57'' Package Includes: 9Pcs key Set 1Piece Storage Box note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.