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
Not listed
Core
Symmetric
Factory finish
500 Siaair / Royal Compound / Royal Shine
Color
Black / Purple / Silver Hybrid
Released
Not listed
USBC
Approved 2013-12-01
Weights and specs
Weight specs have not been entered yet.
Surface
Coarse grit
Coarse and fine
Fine grit or polish
500 Siaair / Royal Compound / Royal Shine. 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.
