Wilson Energy SPL Tennis Racquet is suitable for beginners or entry level players .It is equipped with latest technology like C Beam, V-matrix, and Soft Shock. In C-Beam Technology, Beam width is kept constant on entire racquet head. This ensures the proper load distribution when ball hits the Racquets. Soft Shock is an important feature in Energy SPL Racquet which gives comfortable feel and soft handling of racquet. Soft Shock absorbs the vibration caused by ball impact and do not transfer to racquet handle and provide super feel 112 Sq Inch Head (Extra Large) provides ample opportunities to deliver the all round tennis shots. 27 Inch Length and G4 Grip will give you easy to handle racquet swing. Racquet String Pattern is 16X19 and string tension is 56 to 60 Lbs. It is a pre strung racquet.