Aluminum alloy tennis racket

Material: aluminum alloy

hitting area: 100 square inch 

string tensio n:40-50pounds 

available for beginners

length of racket: 690±2MM thickness of frame:23mm weight:310±10G  thread shape (vertical/horizont):16/18 handle no.:3#4#

made of superior aluminum alloy,strong emulational feature,good in quality and competitive in price,durable,fresh spread design