I would recommend you send the ball you want duplicated to Doug Sterner. Also, buy the equipment from him. By the time you figure in shipping for 5 balls, both ways, you are looking at around $200 just in shipping costs. Doug can split hairs drilling the balls.
Probably get a good price on buying that many balls at one time also. Pretty sure he can come close to the internet prices.
Drop him a line, you won't be sorry.
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Charter Member FOS
Have Balls - Will Travel