Valved Balloon Indicators
Styro-Core Rubber Indicators
Trapped Air Indicators
Magnetic Weights System
Skru-Toobz Tube Weights
The simplest weight system ever developed and the easiest to use. Attach a Depth Skru adapter to the line
and then thread on the size weight you need. So easy a caveman (or John) can do it.
Depth Skru attachment system with extended
screw and tube weights.
Skru-Toobz as seen from bottom.
Skru-Toobz from top showing female threaded
end for screwing onto post.
Skru-Toobz are available upon special request only. Please
for pricing and availability.
©2012 Field Systems Research, LLC