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
4000 Abralon® with Power House Factory Finish
Color
Yellow / Turquoise
Released
Not listed
USBC
Approved 2013-10-01
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
4000 Abralon® with Power House Factory Finish. 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.