Reddit reviews Loos & Co. Sailboat Rigging Tension Gauge , PT-3 Professional Hands-Free Force Gauge for Tensioning and Tuning of Shrouds, Cable Rigs, Wire Rope Standing Rigging, and Forestays, for 9/32, 5/16, 3/8 inch Cable Diameter
We found 1 Reddit comments about Loos & Co. Sailboat Rigging Tension Gauge , PT-3 Professional Hands-Free Force Gauge for Tensioning and Tuning of Shrouds, Cable Rigs, Wire Rope Standing Rigging, and Forestays, for 9/32, 5/16, 3/8 inch Cable Diameter. Here are the top ones, ranked by their Reddit score.
Measures tension in cables to check for proper setup in sail rigging and supporting cables for large tents, radio towers, and other structuresAnalog gauge shows present tension in pounds (lb.)Measurement accuracy of + or - 5 percentMeasures tension from approximately 5 to 25 percent of the cable's breaking strengthCan remain hooked on the wire during testing while tension is adjusted
The bottom one is a tension gauge (like it says). Still made: http://www.amazon.com/Loos-Cableware-Tension-Diameter-Measurement/dp/B0038YY3W6 (And worth a few bucks, too!)