Sper Scientific - Model 460001 -Mini Mixer

Stir test tubes, micro centrifuge tubes, and other containers too narrow for conventional mixers. The stirring rod flares out for use in larger spaces. Clear vinyl carrying case, 4` × ¼` stirring rod, and 2 AA batteries included. Dimensions: (including rod) 8` × 1¼` × 1` (203 × 32 × 25 mm). Weight: 3 oz (85 g).