Pinlocity
All balls
Hammer Full Effect

Photo and specs courtesy of Hammer. Reproduced with credit to the maker.

How it moves

Foul lineArrows · 15 ft46 ft · board 57° entry
Hockey-stick turn (asymmetric core). Dotted is skid, then the turn, then the roll into the pocket. Estimated from the coverstock, finish, core, and differential for a right-handed bowler with medium revs on a house shot. Lane conditions, speed, and layout move all of this.
Hammer

Full Effect

Hook potential7.5 est.7.5 of 10, estimated

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
HK22C² Hybrid
Reactive hybrid
Core
Huntsman
Asymmetric
Factory finish
500, 1000, 1500 Siaair / Factory Compound
Color
Purple / Pink / Silver / Black
Released
2026-03-19
USBC
Approved 2026-03-10

Weights and specs

WeightRGDifferentialInt. diff
12 lb2.590.0410.014
13 lb2.600.0410.014
14 lb2.500.0500.016
15 lb2.470.0500.017
16 lb2.480.0430.015