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
GB 10.7
Core
Cyclone Torq
Symmetric
Factory finish
800, 1000, 2000, 4000 Abralon® with Power House Factory Finish Polish
Color
Green / Yellow Pearl
Released
Not listed
USBC
Approved 2015-05-01
Weights and specs
Weight
RG
Differential
Int. diff
10 lb
2.73
0.020
—
11 lb
2.66
0.059
—
12 lb
2.60
0.053
—
13 lb
2.55
0.058
—
14 lb
2.54
0.053
—
15 lb
2.53
0.053
—
16 lb
2.52
0.047
—
Surface
Coarse grit
Coarse and fine
Fine grit or polish
800, 1000, 2000, 4000 Abralon® with Power House Factory Finish Polish. 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.
