ProLaunch is the first golf shaft developed, designed, and tested utilizing the latest in launch monitor technology in order to help golfers acheive optimal launch conditions for added distance. ProLaunch 65 is our most popular weight for a wide range of players. It features a lower torque design for added stability.SPECS:flex-----------------R, S, Xshaft length-------46"weight-------------64grmstorque-------------2.8*flex point---------Lowtip dia.-----------.335, .350butt dia.----------.605RECOMMENDED FLEXES:80MPH TO 93MPH REGULAR89MPH TO 100MPH STIFF98MPH TO 110MPH X-STIFFTIP TRIMMING FOR GRAFALLOY PROLAUNCH BLUE 65 WOOD SHAFTSTIP TRIMMING (then butt trim to final length)Wood Shaft1357Tip Trim (through bore)0’1/2”1”1 1/2”Tip Trim (blind bore)1/2”1”1 1/2”2"Tip Trim (standard bore)1 1/4"1 3/4"2 1/4"2 3/4"