Lot of 6 total Hydrometers

Chase USA 1.000/2.000 New unopened Catalog# 1987

Kessler 800/850 KG/M3 -20/65 deg C Catalog# 7810 new unopened

Chase USA 1.000/2.000 opened Catalog# 1987

Chase USA 1.00/1.22 -5/55 deg C Catalog# 1981C opened gently used

Fisher Scientific Fisherbrand 0.650/1.000 Catalog# 11-512-D. 2 of these one is new the other used but both look new