DUNLOP EXPLOSIVE SPIN 12mDunlop Explosive Spin Tennis String plays with excellent spin and a firm feel to give players plenty of control. Designed for players that want more stiffness in the their strings to deliver more control, Explosive Spin's monofilament construction feels crisp through impact. The hexagonal shape of Dunlop Explosive Spin delivers so you can dip shots back into the court and with harsh angles to keep your opponents guessing.