Spinbar^® disposable magnetic stirring bar

Spinbar^® disposable magnetic stirring bar, size 1/2 in. × 1/8 in.

Spinbar^® disposable magnetic stirring bar, size 1 in. × 5/16 in.

Spinbar^® disposable magnetic stirring bar, size 1 5/8 in. × 5/16 in.

Spinbar^® disposable magnetic stirring bar, size 2 in. × 5/16 in.