Probes:
- Standard Probes - 5/16" rod - 4', 4-1/2', 5', 6' and 8' lengths.
- Heavy Duty Probes - 3/8" rod - 4', 4-1/2', 5', 6' and 8' lengths.
Power Probes:
 - Standard - 5/16" rod -4-1/2' and 5-1/2'.
- Heavy Duty - 3/8" rod - 4-1/2' and 5-1/2'.
- All come with cushioned, rubber handles for greater comfort.
- Power Probes have a weighted handle that works like a post driver to power the probe in and out.