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
S70
Core
Not listed
Factory finish
Polished
Color
Black/Emerald Pearl
Released
2010-06-01
USBC
Approved 2010-02-01
Weights and specs
Weight
RG
Differential
Int. diff
16 lb
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Surface
Coarse grit
Coarse and fine
Fine grit or polish
Polished. Skims the oil and saves its energy for the dry part of the lane: longer skid, later and sharper hook. Polished and pearl balls. Surface changes over games, and a pro shop can take any ball either way with a pad.
