The Donic Bluestorm Pro AM is the softer version of the Bluestorm rubber for professional players. It has 47.5° sponge specially treated sponge which offers even more control than the harder version. Donic employs strict quality control when it comes to the weight and sponge hardness, ensuring consistency and premium performance and excellent grip in every rubber. The rubber provides excellent control in both active and passive game but is more suitable for balanced attack or as a backhand rubber.
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