This reciprocating shaker features a variable-speed motor that provides gentle, low-speed to vigorous, high-speed shaking.

Large finger clamp 80078-688 can hold various types of glassware up to 89 mm (3¹/₂") in diameter. The clamp may be adjusted to hold glassware at the most effective shaking angle. Separatory funnel holder 80078-690 can hold up to three 60 to 250 ml funnels at once. Holder 80078-692 can accommodate two 125 to 500 ml funnels at once. The funnels are secured by an easily adjusted yoke. The stopper is held in place by an elastic band. Up to two holders may be mounted to the shaker at once.

The built-in shaking head features easy-to-adjust knobs to accommodate a variety of holders, reducing the handling of glassware. No load balancing is required.