OptiVISOR® DA-2 Magnifying Glasses (1.5 X Magnification at 20") Aluminum bass and electric guitar tuners

bass and electric guitar tuners and machine heads

heavy-duty construction will last for several years

not a "snap-together" kit

sold real estate

Free standing ducts

OptiVISOR® DA-2 Magnifying Glasses (1.5 X Magnification at 20") Aluminum bass and electric guitar tunersThe Genuine Donegan OptiVISOR is a precision binocular headband magnifier that permits unrestricted user efficiency while reducing eye strain. It leaves both hands free and allows three dimensional vision. Used by anyone whose profession or craft requires close accurate work. Can be worn over prescription or safety eyeglasses. This DA 2 gives 1. 5 X magnification and focuses at 20". This is the original OptiVISOR proudly made by Donegan Optical Ltd