The Plastic Grooving Tool is used to control the width of the soil groove in the liquid limit cup. With traditional metal grooving tools, the cups get scratched; the costly metal tools get worn, giving inaccurate test results.
Inexpensive enough to be disposable. Plastic construction — won’t rust. Precision-moulded to conform to ASTM standards. 1 cm gage block located at end of handle. The Plastic Grooving Tool is used to control the width of the soil groove in the liquid limit cup. With traditional metal grooving tools, the cups get scratched; the costly metal tools get worn, giving inaccurate test results. ...
