SP Bel-Art, H-B DURAC Safety 1.000/1.220 Specific Gravity Combined Form Thermo-Hydrometer (B61821-0400) auspowers_batchsix Material: aluminum alloy shell +

Material: aluminum alloy shell + nylon braided wire

Also compatible with many other popular Sharp calculator models including the following: EL 1614

5" with High-Relief Molded Numbers

Great for work with unmounted wheels

SP Bel-Art, H-B DURAC Safety 1.000/1.220 Specific Gravity Combined Form Thermo-Hydrometer (B61821-0400) auspowers_batchsix Material: aluminum alloy shell +SP Bel Art, H B DURAC Safety 1. 000 1. 220 Specific Gravity Combined Form Thermo Hydrometer (B61821 0400) Made of lead free ballast and glass, these combined form thermo hydrometers are 381mm (15") long and offer the additional convenience of an enclosed thermometer with a temperature scale of 0 150 degrees F and mercury free blue spirit organic liquid fill. They are individually serialized and conform to the accuracy requirements for ASTM thermo