Hand crank centrifuge Apparatus accepts two buckets which fit tubes up to 15ml Includes two buckets Adjustable screw clamp to secure to table or bench 12" tall, 5" wide and 5" long Single speed, hand driven centrifuge that accepts two buckets, which fit tubes up to 15ml. Removable hand crank. Die casted parts, a steel pinion and worm drive. Screw clamps centrifuge to bench or table. Apparatus measures 12" tall, 5" wide and 5" long. This centrifuge includes 2 buckets measuring 4" tall, with an outside diameter of 0.9" and inner diameter of 0.6".