Grey Spring Sponge X is applied to Glayzer. Strokes with a stable arc and pow-erful heavy spin are made possible. It is thanks to the combination of a top sheet possessing the ideal feeling of holding the ball plus the strengthened abrasion resistance of the surface and  Spring Sponge X with a hardness at 38 degrees. The rubber provides players of wider ranging levels the joy to execute powerful top spin strokes from both forehand and backhand, focusing on spin and counter-attacking play.
Speed:81     Spin: 73       Arc:82      Sponge Hardness:38
Made in Japan