The mantis pro 275 ii tennis racket is the light model in the pro range and this is the updated 2015 version the racquets weight balance is slightly head heavy and it has a solid 98in2 630cm2 head which combine for good power potential the racket is intended for advanced players who prefer longer swings and lighter feel the racket has a 100 hm carbon frame and a carbon shaft which result in an overall frame weight of 275g 97oz and good strength and durability its 16x19 string pattern