Hammer Black Widow Ghost Pearl vs. Hammer Envy

Compare the specs of the Hammer Black Widow Ghost Pearl and Hammer Envy side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.

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Brand	Hammer	Hammer
Ball Name	Black Widow Ghost Pearl	Envy
Cover Name	Aggression Pearl	Envy Solid
Cover Type	Reactive Pearl	Reactive Solid
Box Finish	500 / 1000 / 1500 SiaAir / Crown Factory Compound	500 / 1500 SiaAir
Color	White	Black / Red / Orange
Core Name	Gas Mask	Launcher
Core Type	Asymmetrical	Asymmetrical
RG	2.500	2.505
Total Diff.	0.058	0.055
Int. Diff.	0.016	0.021
Torque Length Back End Total Hook Ball Tester Ratings	See Performance Ratings... Already a premium member? Click here to log in.

The graph below shows a visual comparison of the selected balls. Hover over each colored circle in the graph to see that ball’s name and ratings. Click a circle to view that ball’s full review.

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Bowling Ball Comparison Graph