The tool has 6 functions: 3MM/4MM/5MM/6MM/T25/ wrench The characteristics of neodymium magnets are attracted to the shaft body of the chainring, which has 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:14.2*5*4cm Material:Aluminum alloy colour:Black Package Contents: 1 * 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.