The prince team adrenalin 400 squash racket features a rounded frame design to ensure faster response and help users achieve higher head speed and more power the racket has a head size of a 73in2 471cm2 and weighs 155g 546oz to make it easier to manoeuvre and ensure more dynamic play this airo technology racket is made of an aluminium and graphite fusion to ensure more durability with power ring technology the main strings wrap around an inverted ring in the throat to increase string be