Brand: ROCKBROS Product: Multifunctional Bicycle Tool Type: 20-in-1 Foldable Repair Tool Set Size: approx. 7 x 4 cm (folded) Material: Stainless Steel + Aluminum Alloy Weight: approx. 122g Color: Black Note: The original product listing includes a video demonstration. 20-in-1 Repair Tool: Includes Allen keys (2/2.5/3/4/5/6/8 mm), flathead screwdriver, Phillips screwdriver, Torx T25, chain tool, Mavic 1 & 2 tool, box wrenches (5/8/10 mm), and spoke wrenches (13G/14G/15G). Premium Materials: Made from strong stainless steel and aluminum alloy using an environmentally friendly plating process, offering enhanced corrosion resistance and durability. Multifunctional: Suitable for all types of bicycles and can also be used as a daily household repair tool. Makes bike repairs simpler and more convenient. Lightweight & Portable: This foldable bike repair set is compact and lightweight enough to fit in your bag and take with you anywhere.