Jopo Jopo Power Flat/Oval Power Flat: 1/4" FORWARD pitch in the grip Compensate 1/4" REVERSE when drilling the hole in the ball to arrive at the ending desired pitch Example: Normal Flex ( 1/4" REVERSE) = Drill the hole 1/2" REVERSE because 1/2" - 1/4" = 1/4" Oval: 0 pitch in the grip No compensation needed Jopo Power Oval/Oval Power Oval: 0 pitch in the grip No compensation needed Oval: 0 pitch in the grip No compensation needed Jopo Twist Outer Available Colors: Black Blue Red Yellow Green Pink Purple Orange White Twisted Jopo 1 1/4 Twist Inner Empty Available Colors: Black Blue Red Yellow Green Pink Purple Orange White Twisted   Jopo Twist Inner 1 1/4 Available Colors: Red & Red Purple & Purple White & Black Black & Black Yellow & Black Pink & Black Orange & Black Blue & Blue Green & Green Twisted & Black   Jopo Twist Inner 1 3/8 Available Colors: Black & Black Blue & Black Red & Black White & Black Black & Red Yellow & Black Black & Purple Black & Blue Green & Black Pink & Black Purple & Black Orange & Black Black & Green