No off the shelf 5/8" extension bumper exists to my knowledge. But any cuemaker could change those threads to M16x1.5, so you can use the standard Predator extension.I'm wondering if there's a screw in adapter to use an extension with. About 5/8" hole and very course thread
I agree... I can't find oneNo off the shelf 5/8" extension bumper exists to my knowledge. But any cuemaker could change those threads to M16x1.5, so you can use the standard Predator extension.