Fuse Lenses for Electric Knoxville Plastic frame Plastic lens Polarized lenses Lens width: 56 millimeters Fuse Cascade Mirrored Tinted Lenses. Deep Orange Mirror Coating on a G15 base cuts through bright light. Dark green view. Non-polarized lenses Completely block harmful UV rays, providing 100% UV protection Fuse Force scratch resistant hard coating Lens Category 3, Ideal for Bright Light Custom Made to easily interchange with your current sunglasses.