: A standard rule is the 10% rule , where the ball should be roughly 10% of your body weight, up to a maximum of 16 lbs. Note that a custom-drilled ball often feels about two pounds lighter than a standard house ball because it fits your hand perfectly.
: Stick to reputable sites such as Bowlingball.com , BowlersMart.com, or BuddiesProShop.com to ensure you receive a "first quality" ball rather than a "blem" (factory second). Expert & Community Perspectives how to buy a bowling ball online
: Provides a smooth, early hook; good for medium to dry lanes. : A standard rule is the 10% rule