Thermco GW045HL Precision ASTM/API Hydrometer, Combined Form, ASTM 45HL, 43 to 51 Degree API Range, 0.1 Degree Division, 0 to 150 Degree F Thermometer, Glass, 380 mm Length
</br></br>

</br></br></br></br></br></br></br></br></br></br>

</br></br></br></br></br></br></br></br></br></br>
<img src='http://ecx.images-amazon.com/images/I/31yQtJ4N-hL.jpg'></br>