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Insulated Metal Soil Probe incorporates all the quality features of the Smart Stick with the addition of a current isolator to increase operator protection against electrical shock. Also available in a 3/8″ Hex Rod that is approximately 20% stiffer than the standard round rod. The rod is available in a wide variety of lengths, from 36″ to 78″ in 3/8″ round, 3/8″ hex, 7/16″ round, or 7/16″ hex. There are also various accessories available that allow the Mighty Probe to be used with a “hammer action” for tougher soil conditions or with different tips to accommodate different soils.