Details

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Flex R SR S Shaft weight (g) 53 55 57 Torque (degrees) 5.6 5.4 4.9 Kick point While

Head material Body: Ti811 titanium alloy and arming interface: 6 Al-4 V alloy titanium Head finishing Body: lost-wax precision casting interface: stamping, CNC milling, laser processing Loft angle (°) 8.5 9.5 10.5 Lie angle (°) 59 Head volume (cm3) 460 Length (inches) 45.5 (G) weight and balance R Special order 305 / D1 SR Special order 307 / D2 S Special order 309 / D2 309 / D2

The head features a larger footprint at address that is designed to boost players confidence over the ball and it also has extra volume in the heel to improve ball striking.

The sole design of the J815 is more rigid to give a higher ball flight by generating a 10% lower spin rate to get the ball airborne and flying further.