This is a metric hex key set specifically designed for rapid printing, featuring commonly used 14mm sizes that adequately meet most everyday emergency needs. When you’re missing a particular wrench size and need it urgently, simply print it out—and you can put it to use in no time, making it incredibly convenient.

Note: This product is a 3D‑printed tool and is not suitable for high‑torque applications. It’s best suited for light‑load tasks, routine adjustments, or loosening screws. To enhance strength and durability, we recommend increasing the infill density during printing—this effectively boosts the overall rigidity of the wrench, minimizing deformation or breakage during use.