> New dual design 
> Fits 0.5 ml and 1.5 ml micro-tubes
> Conical tip

Designed to fit into 0.5 ml and 1.5 ml micro-tubes. Ideal for homogenizing or resuspending sample directly in the tube. Pestle is constructed of inert PTFE mounted on a stainless steel shaft. No. 199223 and No. 199221 can be used for manual or motorized operations. New combination design (No. 199224) fits into 0.5 ml and 1.5 ml micro-tube and is not recommended for motorized operation. Usually ships within 24 hours.