See Saw Rocking Shaker LSSR-A10 Labtron See Saw Rocking Shakers utilize a unique see-saw wave action for effective mixing. With a shaking speed of 0-80 rpm and a temperature range of 5-40 °C, these compact shakers are designed for continuous operation. Their universal platform features an anti-slip mat, making them ideal for mixing culture flasks and Petri dishes in incubators or refrigerators.