ANDRO HEXER POWERSPONGE. Loop attack players with a preference for soft rubbers with sensational speed glue power and great audible sound will feel the benefits and advantages contained in this 4th generation Tensor BIOS rubber. The in-bound spin energy is absorbed by the rubber and immediately gets transferred into active rebound-out energy. The soft powersponge generously forgives slight mistakes when striking the ball due to the optimum hitting area. Its outstanding control makes it suitable for players of all levels.