Brand name: Unicorn Darts. What. Models are Colossus 2. Weight: 38g. Reference number: 29902. Size: Length 50,6 mm Diameter: 8,4 mm. The material: 80%. .What. The product consists of 1 being of 3 bodies of Colossus darts, 1 set of 3 feathers and 1 set of 3 reeds.