The Instinct REV PRO is a loud , daring and fashionable racket. THE Head Graphene XT Instinct REV Pro has a head size of 10 sq.inches. It has a length of 26.8 inches. The Graphene XT Instinct Rev Pro is one of the versatile rackets from Head. The model comes with next generation of graphene that makes the racket more light weight and easier to access. The racket comes with a 16x19 pattern. The racket is a must have for beginners and intermediates looking for a versatile racet that comes loaded with precision, speed and spin.