Loki RXTON 7 RXTON7 Black 2.1mm 39 degrees Inverted Rubber Manufacturer: LOKI Brand: RXTON LOKI is a new Chinese table tennis equipment manufacturer. The "RXTON" series of rubbers is particularly popular. This is a sticky rubber designed by Wang Hao and used by the national team for training. It provides excellent spin, speed, and power. Can be used for both backhand and forehand.