Inexpensive general-purpose probe. Unique design allows you to probe into a gopher run, remove the probe, insert the supplied baiting funnel, and apply the labeled amount of bait. Probe not only works well with Wilco baits, but most other types of bait as well. Refer to Model No. 31004 (SKU 702097), 60016 (SKU 702066), 21016 (SKU 702081) and 21005 (SKU 702087) for replacement bait. Can also be used to dispense fertilizer.