Features of Thimble Tube & Master Link:

NDT tested on welding
Unique Marking on each batch for easy trackable
HDG thickness min 85 microns.
Sharpen Edge rounded off, Rope friendly
Master link tempered and Quenched,
Master Link was Gently treated through HDG to Heated Treatment, avoid hydrogen embrittlement

Specification of Thimble Tube & Master Link:

Fish farm Mooring , Buoy Mooring.