Soft rubber soles. When company ノティアス with standard 10 speed 12. If spin was standard 10 company ノティアス 10. ニッタク Integrated Energy energy intensive technology is used. Catch the ball with a combination of natural rubber and synthetic rubber and mightily released. In addition to fast, spin is often take rubber. ハモンドプロ Alpha-Pro spec, so in General is recommended Hammond. Stores also are selling very well.