Athletes having this bowlingball approved and in use
Roto Grip Gem

Name	Fed	Playing with	No. of this ball
Aire Saarm	Estonia	Righthanded	1
Ana-Maria Acatrini	Romania	Righthanded	1
Cristina Más	Spain	Lefthanded	1
Deborah Bader	Switzerland	Righthanded	1
Ebru Özoğluuntur	Turkey	Righthanded	1
Marie Matczak	France	Righthanded	1
Nataliya Shcherbinina	Ukraine	Righthanded	1
Olha Pokotylo	Ukraine	Righthanded	1