How much the ball wants to hook, 1 (straight, a spare ball) to 10 (the strongest oil-eaters). The maker publishes no number for this ball, so this is estimated from the coverstock, core, finish, and differential.
Coverstock
Violent Flip Reactive
Core
Not listed
Factory finish
Not listed
Color
Black / Blue
Released
2009-07-01
USBC
Approved 2007-10-01
Weights and specs
Weight specs have not been entered yet.
Surface
Coarse grit
Coarse and fine
Fine grit or polish
Coarse surfaces grip through oil and hook early; fine or polished surfaces skid longer and hook later. Surface changes over games, and a pro shop can take any ball either way with a pad.
Reviews on YouTube
Bowling-Ball-Review.com · 2009 · Bowling Ball Reviews - Hammer Black Widow Stingbowlingballcom · 2009 · Hammer Black Widow Sting Bowling Ball Reaction Video by bowlingball.com
Picked by search for this ball; videos and thumbnails belong to their creators and play on YouTube.
