Blood Cell Counter (6 Unit, Clay Adams Type) For blood cell counting and simple computations, including percentage. Each unit counts upto 999 and last unit totalizes the different cells. A bell automatically sounds at every hundred. It has 5 keys and totalizer with dual knob on both ends to facilitate easy resetting. Supplied with safe transit packing and storage when not is use. Size :? 300 ? 64 mm Qty :