Until March 31, the Rackets Lab Tests service will be included without additional cost in the Strings Lab Tests subscription. From April 1, they are to be considered as two separate services so new subscribers or renewals will have a different listing price than the current one.
Wilson 6.1 Prostaff Classic is a tennis racket with head size 95in² and a string pattern 16x18. The declared unstrung frame weight is 341g, the balance is equal to 300mm and the stiffness is 69 RA.
