Drilled 75 x 5 3/8 x 40. This ball is a very consistent predictable strong piece. Normally I play straight up 7 to 8, OOB ball just grabbed hold of the lane and moved. Once lined up, was able to play consistently swinging 15 to 10 and the ball never missed a turn. Very happy with the reaction, stronger than expected. I polished the ball to see what reaction that would give, and it created a very sharp back end allowing me to play in my preferred area. Prefer the overall motion of the OOB reaction. Perfect ball when you need a little holiday spirit.