The Wilson K Slam squash racket combines a unique [K] Factor frame and a hammer design, which makes this product a brilliant all round racket. The racket has been designed with the use of [K] Factor technology which works in four ways to provide you with a great power, control and stability. The frame of the racket weighs 175 g (6.17oz). The racket has a head size of 490 cm2 (76 in2) and the string pattern of the racket is 12 x 18.