
POWER PRINCIPLE is a completely new. High-Copolymer, round, with a snap back as never before. The string has power, control at its best, supported by elastic additives.
POWER PRINCIPLE is a completely new. High-Copolymer, round, with a snap back as never before. The string has power, control at its best, supported by elastic additives.
Important note: String 1.5 kg (3 lbs) lower than other co-polyester strings!