1 1/4" by 3/8" ID, Gray EVA foam balls. Create something unique with these EVA foam balls as a grip material. 10 pieces per package.

You can create a surprisingly comfortable (and cost-effective) grip with just these balls (see picture). Turn them on a lathe and you can come up with some pretty interesting grips. They can also be used as a cheap way to practice your foam-shaping skills!