The successful Bluefire M and JP rubber series leaves nothing to be
desired. Two turbo versions � Bluefire M1 Turbo and Bluefire JP01 Turbo
guarantee the non plus ultra regarding spin and dynamic. Top surface:
spin-elastic - slightly harder sponge (50�) - increased dynamic - top
surface rubber offers extra spin - superior version of M1 rubber For
aggressive attacking players. Sponge hardness: medium++