Edited 15/02/10

Loaded 05/10/09

Gross Weight Not To Exceed 16 Pounds (7.25 Kg.)
 
Gripping Holes Allowed Not To Exceed 5

Balance Holes Allowed Is 1 Not To Exceed 1.25 Inches In Diameter (31.88 mm)

Surface Hardness Not Less Than 72 Durometer D At Room Temperature.  (20 - 25 Degrees C)

Circumference Allowed Approximately 27.02 Inches

Diameter Allowed Approximately 8.5 Inches

Bowling Ball Specifications