Quick view A&D GP-20K ,21kg x 0.1g Precision Balance GP-20K High Capacity Precision Balance 21kg x0.1g with Internal Calibration SKU-GP-20K Special Features: A&D’s Exclusive SHS Technology, maximum response speed & minimal maintenance costs Standard RS-232C Interface with Windows Compatible... MSRP: Was: Now: $2,785.00 Add to Cart Compare