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Compare bowling balls

Core numbers are compared in one weight. Some brands only publish them for one weight.

Weight Pick other balls
Hammer Hazmat Pearl Hammer Hazmat Pearl
Brand Hammer
Line Upper Mid
Coverstock HK22 - Semtex Pearl
Cover type Pearl reactive
Core Hazmat
Core type —
RG 2.479
Diff 0.055
Int. diff —
Factory finish 500, 1000, 1500 Siaair / Factory Compound
Lane condition Medium oil
Flare potential —
Reaction Strong mid-lane and backend
Color Blue / White / Cobalt
Release date May 15, 2025
Status Retired

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