Product Description Rob Cross Generation 2. These 90% tungsten darts have been designed to the World Champions’ precise requirements. Presenting a combination of radial grooves along the length of the barrel, energetic teal colour and hand sandblasted cuts – the Rob Cross Gen 2 offers a simple yet elegant grip. The dart features the Swiss Diamond (SD) point. Completed with Target Pro Grip Shafts and Rob Cross signature flights. This range features Swiss Point technology.