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
Gen EA (Extreme Angle)
Core
The 910A features a brand new core which we call the Face Core. This core offers
Symmetric
Factory finish
The final step that completes the ball development process is the finish. Having
Color
Steel Blue / Lemon / Sapphire
Released
Not listed
USBC
Approved 2013-06-01
Weights and specs
Weight
RG
Differential
Int. diff
12 lb
2.60
0.039
—
13 lb
2.53
0.055
—
14 lb
2.52
0.052
—
15 lb
2.50
0.049
—
16 lb
2.51
0.042
—
Surface
Coarse grit
Coarse and fine
Fine grit or polish
The final step that completes the ball development process is the finish. Having. Coarse surfaces grip through oil and hook early; fine or polished surfaces skid longer and hook later. Surface changes over games, and a pro shop can take any ball either way with a pad.