Tension Gauges for Wire/Rod | Baseline Marine Products Ltd
SureCheck Rig tension meter
Sailboat Rigging Tension Gauge from Loos & Co., PT-1 Professional Hands-Free Force Gauge for Tensioning and Tuning of Shrouds, Cable Rigs, Wire Rope Standing Rigging, and Forestays, for 3/32, 1/8, and 5/32
Calibration of your rig tension with SureCheck - YouTube