Pinit WARNING:About product imagesThermco GW038H Glass ASTM/API Plain Form Hydrometer, ASTM 38H, 85 to 91° API Range, 0.1° API Division, 163mm LengthItem Number:TRM-GW038H Manufacturer Part No:GW038HManufacturer:Thermco ProductsUnits:Sold individually To request the lead time of this item please click here Request Pricing new Policies, Terms, and ConditionsDetailsSold individuallyDocuments & Videos