Hammer Hammerhead Pearl vs. Hammer Purple Pearl Urethane 78D

Compare the specs of the Hammer Hammerhead Pearl 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	Hammerhead Pearl	Purple Pearl Urethane 78D
Cover Name	HK22 - Aggression Pearl	Urethane Pearl 78D
Cover Type	Reactive Pearl	Urethane Pearl
Box Finish	500 / 1000 / 1500 SiaAir / Factory Compound	500 SiaAir
Color	Onyx / Silver / Yellow	Purple Pearl
Core Name	Spheroid	Super LED
Core Type	Symmetrical	Symmetrical
RG	2.481	2.632
Total Diff.	0.048	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.

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Bowling Ball Comparison Graph