This universal Allen wrench set includes 9 commonly used metric sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 4.5mm, 5mm, 5.5mm and 6mm. Ideal for assembling furniture, repairing bicycles, working on machinery, and handling everyday DIY tasks. Innovative triangular folding structure keeps all hex keys neatly stored in a single compact body. Simply unfold the required size and fold it back after use for safe, convenient storage and transport in your pocket, toolbox or car. Made from strong, wear- steel to provide high torque and long service life. The keys resist deformation and rounding, ensuring a secure fit in inner hexagon screws and stable performance in frequent use. The ergonomic handle offers a solid, non-slip grip for better control and reduced hand fatigue. The integrated folding design also protects the unused keys, reducing the risk of accidental scratches or loss., Weight: 0.5070632026 pounds, Manufacturer: Xnuiasqe