The tool has 6 functions: 3MM/4MM/5MM/6MM/T25/cross wrench The characteristics of neodymium magnets are attracted to the shaft body of the chainring, which has large suction force and is not easy to fall off. Using aviation-grade 7075 aluminum alloy, the product is light, corrosion-resistant and more wear-resistant. At the same time, the chromium-molybdenum steel material is added to make the product more durable and not easy to deform. Type: Multifunction Tools Net weight: 126g size:14.2x5x4cm Material:Aluminum alloy colour:Black Package Contents: 3 x Bicycle Invisible Repair Tool Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Using aviation-grade 7075 aluminum alloy, the product is light, and more wear-. The tool has 6 functions: 3MM/4MM/5MM/6MM/T25/ wrench At the same time, the chromium-molybdenum steel material is added to make the product more and not easy to deform. The characteristics of neodymium magnets are attracted to the shaft body of the chainring, which has large suction force and is not easy to fall off.