Used to determine the consistency of hydraulic and masonry cement and hydrated lime. Time of set of grouts and hydraulic cement paste. Early stiffening (false set) of Portland cement paste and initial set of resin mortars. Unit includes a heavy duty steel frame, reversible 300 g plunger 10 mm (0.39 inch) in diameter with removable steel needle 1 mm (0.039 inch) in diameter, indicator scale graduated in millimeters, conical mold and glass plate.