Optivisor Optical Glass Lens Plates Only Type:LP 3 Never heat pitch to the

Never heat pitch to the point of bubbling or smoking

By cutting at the center of the jaw rather than the tips

Under normal use

which use lower gold content for easier flow

ideal for holding objects during chasing or engraving

Optivisor Optical Glass Lens Plates Only Type:LP 3 Never heat pitch to theDonegan Optivisor optical glass lens plates are available separately and can be switched in moments. Simply press out the black keepers with a coin or similar tool, swap the lens, and press the keepers back in. Earlier models used small nuts and bolts for lens retention. Donegan is the only head mounted magnifier available with optical glass prismatic lenses. These lenses cost more but deliver superior clarity and longevity compared to the lesser lens