Wilson Pro Staff Precision 100 Tennis Racket; The Pro Staff Precision 100 affords consistent players an excellent degree of precision and ball placement on every shot. Its basalt carbon fiber construction optimizes feel, while Perimeter Weighting System in the frame elevates torsional stability for added consistency. Heavy, sleek and control-oriented, the Pro Staff Precision 100 all but guarantees satisfaction for players looking to transition to the iconic Pro Staff franchise.