- Features
| Features: The One Piece Translucent Plastic Lenses Are Molded From High Impact Polycarbonate; The Two Piece (41252s) Lenses Have A Chrome Plated Zinc Die Cast Base With A Polycarbonate Lens Pressed Into The End; Old Catalog Number: M290; Diameter: 0.630 IN; Thickness: 0.800 IN; Internal Thread Size: 9/16-27; Base: Chrome Plated, Die Cast Zinc |