Features: 100% and high quality. 6 functions: M/4MM/5MM/6MM/T25/cross wrench.Choose arbitrarily according to your needs. It is very convenient to use in the road or mountain cycling trip and camping. Made of rigid-strength chromium-molybdenum steel shaft to make the product more durable,corrosion-resistant and more wear-resistant.not easy to deform. Our portable combination tool can be hidden in axial combination,don't worry about forgetting to bring tools. Using aviation-grade aluminum alloy,our product is light, only about 112 g/0.246 lb,easy to carry. Specification: Material:Aluminum Alloy,Chromium Molybdenum Steel Random Color:Black/Red/Green/Blue Size:Mixed Size Package Includes: 1 Piece Bicycle Hidden Repair Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.In order to long time use, please wash and dry the product after use.