The dunlop force 100 tour tennis racket is designed to give you more power and spin with its larger head higher weight and thicker beam the 100in2 645cm2 head has an increased sweet spot which not only produces more power but also makes off centre hits less detrimental the racquet is boosted by a number of dunlops latest technologies which make it more aerodynamically efficient and more stable thanks to enhanced shock absorbency durability is also increased string friction has been red