- Used the evaluate the relationship between the moisture percentage of a soil sample and the number of blows required to close a groove made into the soil;and therefore to determine when a clay soil changes from a plastic to a liquid state.
- Hand operated model with a hard rubber base.
- Complete with Grooving Tool made of brass / ASTM 4318
- Dimensions: 120x140x110 mm
- Weight: 3 Kg