Extra hard sponge ensures tremendous power. Excellent for highly skilled players who demand great combo of spin, speed, power & long trajectory.
Medium soft sponge, recommended for highly trained attackers and loopers who emphasize tactical spin.
Medium hard sponge, suitable for advanced players who demand tremendous spin and speed, combined with a sensititive touch.
Soft sponge, suitable rubber for all types of players that like the attacking game. Excellent control, crisp clear sound--closest thing to feeling & sound of speed glue.