TRINGS INCLUDED! Factory strung with our electronic machine using white strings at 22lbs! The Windstorm 78SL III (Super Light) badminton racket is built on the Windstorm Technology Platform and is a premium quality, LIGHTWEIGHT racket with HIGH STRING TENSION CAPABILITY for players that enjoy rapid reaction times and FAST RACKET SPEEDS. Windstorm badminton rackets are easy to swing and generate excellent power and control for players that are developing their badminton skills and racket swing techniques. BADMINTON RACKET SPECIFICATIONS: