Opti-Viewer Neck Thread Inspection Tool The ideal tool to verify Sustained Load Cracks found by an eddy current test instrument in 6351 alloy aluminum cylinders The Opti-Viewer provides 2x magnification, which is the federally required magnification Excellent way to inspect cylinder threads for dirt, corrosion, pitting, damage and wear. The LED light source operates on a AAA battery (included) Made for ¾”-NPSM scuba cylinder neck opening Ideal tool to verify Sustained Load Cracks (SLC) found by eddy current test instrument. Compact design allows for quick and easy viewing. New LED light source New LED light source improves relia improves reliability and serviceab bility and serviceability. Designed for best visual performance and economical value. Hydro package comes with two mirror assemblies to cover all cylinder sizes. Optional Inspection Mirror Assembly for SCBA and smaller neck openings If you already own the TL140 Opti-Viewer with ¾”-NPSM optical piece, expand your capability by adding this smaller diameter mirror assembly 0.675” diameter
