For 50 (5 × 10) reaction vessels or test tubes up to 12 mm diameter.Plastic, -20 to +60°C, approx. 200×140×60 mm high.
For 120 (12 × 10) reaction vessels or test tubes up to 12 mm diameter.Plastic, -20 to +60°C, approx. 400×140×60 mm high.