This rubber is used by many professional players: Koki Niwa, Liam Pitchford etc. It is the most famous Victas rubber 
The ultimate weapon for aggressive offensive players! V > 15 Extra is a high-end offensive rubber which will enable you to perform on a new level in topspin rallies. Feel the ultimate power and high-efficiency energy conversion of the innovative 47.5° offensive sponge and experience the unlimited potential of the spin-optimized top rubber sheet! Demanding offensive players who rely on aggressive topspins as well as topspin-to-topspin rallies will take their play to a new level with V > 15 Extra!