Photo and specs courtesy of bowling.com. Reproduced with credit to the maker.

How it moves

Roto Grip

Idol Pearl

Name: Roto Grip Idol Pearl
Brand: Roto Grip

Discontinued

Hook potential–Not enough specs to estimate

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: eTrax-P18
Core: Ikon Symmetrical
Factory finish: 1500-grit Polished
Color: Royal / Amethyst
Released: 2018-11-01
USBC: Approved 2018-10-16

Weights and specs

Weight	RG	Differential	Int. diff
15 lb	2.49	0.052	—

Surface

Coarse grit

Coarse and fine

Fine grit or polish

1500-grit Polished. 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.

Reviews on YouTube

BowlerX.com · 2024 · Roto Grip Optimum Idol Pearl Bowling Ball | BowlerX Full Uncut Review

Ebony Stormbreaker · 2021 · Idol pearl ball review in comparison to roto grip idol solid

Championship Bowling · 2019 · Roto Grip Idol Pearl Ball Review

Picked by search for this ball; videos and thumbnails belong to their creators and play on YouTube.