Features: Make of Iron materials and perfectly suitable for your bike chain repair. Bike repair Kits, allowing you to fix your bike easily. It is suitable for fold bike, mountain bike, road bike. Bicycles cranks extractors Pullers is used for removing square cranks arm. The bike bottom brackets removal tool can used with Wrenches or adjusted Wrenches. Use chain separators tool to easily remove and replace chain pin. Specifications: Materials: Iron Style: 4pcs Set of Chain, Axles, Flywheel, Chain Cutter/Chain Tool/Chain Cutter/Flywheel Tool/Bike Crank Pullers Tool Flywheel Tool Size: about 2.3x2.6cm/0.91x1.02inch Chain Cutter Size: about 7.5x7cm/2.95x2.76inch Chain Tool Length: about 20cm/7.87inch Bike Crank Pullers Tool: about 2x8cm/0.7879x3.15inch Package Includes: 4pcs Repair Tool/1pc Chain Tool/1pc Chain Cutter/1pc Flywheel Tool/1pc Bike Crank Pullers Tool note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.