LVM-1G Gunsmithing headband magnifier with the ultra lightweight yet durable construction hands-free headband magnifier that is is ideal for gunsmiths, gun cleaning, polishing, repair, machinists. Will provide you with a highly magnified view and also Ultra lightweight for comfort, military Dark Green olive drab Color, 4 prismatic optical grade acrylic lenses for enhanced vision and inspection. Can be worn over eyeglasses , provides 1.3x-3.5x magnified view and wide field of view leaving both hands free for working and its ultra lightweight makes its very comfortable to wear and no heavy cumbersome headband structure to weigh down and squeeze your head like most headband magnifiers. Headband automatically adjusts to fit any size head quickly and easily, adjustable lens angel easily moves up and down out of the way when not in use, and can be locked into place for long use. Similar competitor models come with one or 2 lenses for almost double the cost ours includes 4 optical grade acrylic lenses, 1.6x, 2x, 2.5x, 3.5x for one low price. Lenses slide easily in out of frame. Can be worn over prescription lenses Very Durable yet ultra lightweight weighs only a few ounces and padded makes it comfortable to wear for long periods of time, you won’t even know your wearing it.