Foam Holder for 50 mL Centrifuge Tubes

Thick, rugged polyethylene foam block holds 16 standard 50 mL centrifuge tubes that are 115 mm in length.
 
Features
Ideal for grinding large samples in the Geno/Grinder. 
Process 16 samples at one time. 
Compatible with standard 50 mL conical bottom centrifuge tubes (115 mm length). 
Must be used with 2199 Large Clamp Assembly or the 2189 Adjustable Clamp