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
Not listed
Factory finish
Not listed
Color
Not listed
Released
Not listed
USBC
Approved 2015-06-01
Weights and specs
Weight specs have not been entered yet.
Surface
Coarse grit
Coarse and fine
Fine grit or polish
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.
Reviews on YouTube
Pyramid Bowling · 2019 · Pyramid Blueprint Pearl Project 1.618 Video Review by bowlingball.combowlingballcom · 2015 · bowlingball.com Pyramid Blueprint Pearl Bowling Ball Reaction Video ReviewBrooklyn Ball Reviews · 2016 · Pyramid Blueprint Pearl Bowling Ball Reaction Video by Brandon Wanders and Jacob Childress
Picked by search for this ball; videos and thumbnails belong to their creators and play on YouTube.