Multi-functional cycling tools: multi-function in one, switch to use at will, clever storage design, easy to carry, adapt to a variety of use scenarios, easy to deal with a variety of occasions. Multi purpose gadget- Includes: Wide range of hexagonal wrenches(5.5mm/6mm/7mm/8mm/9mm/10mm/11mm/12mm/13mm/14mm/15mm/16mm/17mm), spoke spanners (3.3mm/3.4mm), centimetre scale, inch scale, plum wrenches, SL7 one-pronged screwdriver, batch head extension, batch head set. Magnetic expandable batch head: Variable magnetic expandable batch head, switch the batch head at will, not easy to fall off during use. Multi-functional maintenance tools: split design, it is a combination of lightweight tools that can be split and transformed, 16 functions combined, each can be used individually, it comes with expanding the screwdriver function, can be freely converted to a variety of screwdriver head, it is a good tool for on-the-go emergency! High-quality materials: it is made of high-quality stainless steel, sturdy and durable, the surface oxidation black treatment, not easy to rust. Comfortable in the hand, it is an essential tool for survival in the wilderness.