titanium eyeglass hinges:

These small eyeglass hinges are specially for titanium new eyeglass frame manufacturer or repairing, they are small but very important, which connect eyeglass frame front with temples, and enable temples to be opened or closed freely.

As to different construction, there are normal titanium eyeglass hinges, also called barrel titanium hinges, and spring hinges. Such as models from TH-131 to TH-135 , they are normal titanium hinges, while models from TSH-161 to TSH-164, which looks like one box, and there's one insert inside of it, which are called titanium spring hinges for eyeglass frame.

Sizes: 1.8mm, 2.0mm, 3.0mm,3.5mm, 4.0mm width available for normal hinges; and 2.4mm to 4.0mm for spring hinges.

Material: pure titanium ;

How Nice are titanium hinges?