... Model No.:POM4105Material:monel frame,acetate temples,with spring hingeLens:demo lensSize:52-17-135Model No.:POM4115Material:monel ... frame,stainless steel temples,acetate tips,with spring hingeLens:demo lensSize:52-17-138Model No.:POM4120Material: ... monel frame,copper temples,acetate tips,with spring hingeLens:demo lensSize:51-18-135Model No.:POM4121BMaterial: ...