Unico Counters, Mixers & Rotators Each L-BC3 by Unico GROUP: Lab Equipment & Accessories:Sample Collection & Processing:Mixers/Rotators/Grinders Item Description: Differential Counter, 2-Key, Reset Knob (DROP SHIP ONLY) Packaging Desc: Counter Differential 2 Key(Drop) Country of Origin: Harmonized Tariff Code: Product Description: