The Solinco Confidential Soft String Set 12.2m (Electric Pink) is a premium Solinco tennis string chosen by players who care how the ball comes off the racquet. Expect the blend of spin, control and durability this gauge is known for and let our Master Stringer install it at your ideal tension for free. Solinco Confidential Soft String Set 12.2m (Electric Pink). Why buy from Tennis ProSport: a real racquet-sports pro shop in Qu bec City, open 7 days a week.