A FAB Hammer 15.75 lb on scale bowling ball in black color with pre drilled holes. It has marks/scratches from use as shown in pictures. I double box all bowling balls for shipping.

Left finger to thumb: 4 1/2"

Right finger to thumb: 4 5/8

Left finger hole size within insert 13/16"

Right finger hole size: 3/4"

Thumb hole size: 1"