4 base CR39 New sunglasses of polarized lens. The ultrafine endorse with 2.0 mm vertical width with front frontal view is a titanium part made from a new mold. It is an elaborate making like EYEVAN 7285 which fixes with a minus screw from the back side with a sword-base type pedestal. Combined with  and the same type of β titanium temple, I was able to secure a wearing comfort. Two types of development of the square type  and the crown punt type .