“Barang dijamin 100% Original” Karet : Polos Warna : Hitam/Merah Hardness : H35/H37 Sponge : 2.1mm Warna Sponge : Merah INTRODUCTION: The rubber adopts the new internal energy technology of NEW-RELEASE PRO, and with the special "cake" sponge formula, the performance of the sponge is maximized. The super effectiveness and rotation of rubber, coupled with the support of the new internal energy sponge, the feeling of playing ball, explosive power, perfectly combine rotation and strength.