Standard Proofer with Replaceable Skids Size:8" Since the skids flex the

Since the skids flex the proofers will not get stuck in the line

They provide great cutting and ripping of roots with the laser cut teeth

These mirrors allow you to safely inspect hard-to-access areas

Eliminates the danger of electric power lines being a hazard

Polycarbonate is much lighter than glass

Standard Proofer with Replaceable Skids Size:8" Since the skids flex theProofers have been around for many years. They actually can proof that your line is clean. You see with 10 skids they proofer will not get through areas with collapsed areas or protruding taps or debris fields that a normal nozzle will go over and around. Since the skids flex the proofers will not get stuck in the line. You can always withdraw it. These are made to the OD specified above and are made for your or 1 hose. Each runnier is made of spring