Hammer Black Pearl Urethane vs. Hammer Purple Pearl Urethane 78D

Compare the specs of the Hammer Black Pearl Urethane and Hammer Purple Pearl Urethane 78D 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 Pearl Urethane	Purple Pearl Urethane 78D
Cover Name	Urethane Pearl 78D	Urethane Pearl 78D
Cover Type	Urethane Pearl	Urethane Pearl
Box Finish	500 SiaAir	500 SiaAir
Color	Black Pearl	Purple Pearl
Core Name	LED	Super LED
Core Type	Symmetrical	Symmetrical
RG	2.650	2.632
Total Diff.	0.015	0.034
Int. Diff.	0.000	0.000
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. Click on each colored circle in the graph to see that ball’s name and ratings. Click the circle again or click the ball's name to view that ball’s full review.

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Bowling Ball Comparison Graph