Table Clamp, Hand Crank, Centrifuge with 4 buckets 4 tubes of 15 ml maximum capacity Gear box contains grease and fittings for maintenance. Adjustment to crank and gearing will be needed once installed on table top to ensure easy use. A very economic centrifuge that clamps right to any bench top. Apparatus has table clamp, hand crank, 4 buckets to hold tubes up to 15ml in capacity.