Although virtually unbreakable, these sturdy pins precision machined from 5/16 inch stainless steel rod can be easily dropped and lost when not seated in a JMC ESP PLUS Master or Regular Extension.
Stainless steel liner 18" long. Although made for the JMC 18" Zero Contamination Tube, these liners will also fit the JMC Environmentalist's Sub-Soil Probe when used with Spacers.
The heavy (12 pounds) metal sleeve that moves up and down while pounding the sampling tube into the ground. Fits both the JMC Environmentalist's Sub-Soil Probe and the JMC Environmentalist's Sub-Soil Probe PLUS.