Comparison : Item # 8050-02, Tissue Grinder, Dounce, All-Glass, 2mL Working Capacity
Item # 8050-04, Tissue Grinder, Dounce, All-Glass, 7mL Working Capacity
Item # 8050-06, Tissue Grinder, Dounce, All-Glass, 15mL Working Capacity
Item # 8050-08, Tissue Grinder, Dounce, All-Glass, 40mL Working Capacity
Item # 8050-10, Tissue Grinder, Dounce, All-Glass, 100mL Working Capacity