#four tubes

Hand-driven - it has a head speed of 2000 rpm and the crank handle has an added safety feature, the crank handle is easily removable. This prevents the handle from protruding and also prevents usage. Cast iron design - the hand driven centrifuge has a steel shaft, rotor and gear, and an aluminum handle, cast iron body and head 4x15ml tubes. Easy Use Hand Operated Centrifuge Machine 4 Tubes. To buy this product Click Here