Aluminum Washer fits manual sliding hammer for the JMC Environmentalist's Sub-Soil Probe (0.8 inch diameter sampler). Fits between the Threaded Collar(PN163) and the Aluminum Cylinder(PN161). This is the part that rests on the top of the sampling tube.
Replacement footpedal for the JMC Environmentalist's Sub-Soil Probe PLUS. Footpedal usually needs replaced when foot-operated jack slips while extracting sampling tube from the ground.