Micro Essential Laboratory Hydrion 325 pH Test Paper Roll, ph 3.0-5.5 Oval Superhard Coating It has exceptional clarity for

It has exceptional clarity for quick product identification

The board is made of durable wood

The welded handle

but locks are sold separately

Warranty: 1 Year Parts and labour

Micro Essential Laboratory Hydrion 325 pH Test Paper Roll, ph 3.0-5.5 Oval Superhard Coating It has exceptional clarity forThis short range Hydrion pH Paper provides excellent color separation in the acid range and offers clear bright single color matches at every . 5 interval from pH 3. 0 5. 5. The color chart has pH matches at [3. 0][3. 5][4. 0][4. 5][5. 0][5. 5]. Dimensions: 15 feet Includes: roll of test paper and matching color chart Hydrion pH paper may be used in diverse pH applications Provides for approximately 1000 tests