VWR* benchtop counter, Mechanical, 6-key, are perfect for blood cells (label included), bacterial colonies or other repetitive counting, Each key records up to 999, color: grey, Dimensions: 9.8 x 3 x 2.2 in (25 x
VWR* benchtop counter, Mechanical, 9-key, are perfect for blood cells (label included), bacterial colonies or other repetitive counting, Each key records up to 999, color: grey, Dimensions: 12.5 x 3 x 2.2 in (32 x