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
Traxion SF
Core
Allure
Symmetric
Factory finish
500, 1000, 3000, Siaair / Crown Factory Compound
Color
Purple / Silver
Released
2020-02-20
USBC
Approved 2020-01-28
Weights and specs
Weight
RG
Differential
Int. diff
12 lb
2.60
0.040
—
13 lb
2.57
0.040
—
14 lb
2.49
0.049
—
15 lb
2.48
0.049
—
16 lb
2.47
0.049
—
Surface
Coarse grit
Coarse and fine
Fine grit or polish
500, 1000, 3000, Siaair / Crown Factory Compound. 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.
