3 Piece

Core · 3 balls · all Roto Grip cores

symmetric

Current

Roto Grip Cosmos
Cosmos 15lb · RG 2.69 · D 0.006 Spare ball · any condition ✓ USBC Approved
Roto Grip RG JESTER CLEAR POLYESTER
RG JESTER CLEAR POLYESTER 15lb · RG 2.69 · D 0.006 Spare ball · any condition

Discontinued

Often still available from retailers and pro shops.

Roto Grip RETRO RG SPARE
RETRO RG SPARE 15lb · RG 2.69 · D 0.006 est. ✓ USBC Approved Discontinued