John's Bowling Balls

Name		Coverstock	Core	Weight	RG	Diff	MB Diff
Storm Drive	Drive	R2S Nano Hybrid Hybrid Reactive	Drive Symmetric	15 pounds	2.570	0.050
Storm Pro-Motion	Pro-Motion	SPEC Solid Solid Reactive	Pro-Motion Symmetric	15 pounds	2.520	0.049
Storm Snap Lock	Snap Lock	R3S Pearl Pearl Reactive	Snap Lock Asymmetric	15 pounds	2.480	0.054	0.018
Storm Sure Lock	Sure Lock	GI-17 Solid Solid Reactive	Sure Lock Asymmetric	15 pounds	2.480	0.054	0.018
Hammer Black Urethane	Black Urethane	Urethane Urethane Solid	Black Urethane Symmetric	15 pounds	2.650	0.015
Hammer Purple Pearl Urethane	Purple Pearl Urethane	Urethane Pearl Urethane Pearl	Purple Pearl Urethane Symmetric	15 pounds	2.650	0.015
Columbia 300 White Dot Blue	White Dot (various colors)	Polyester Polyester	White Dot (various colors) Symmetric	15 pounds	2.715	0.019