Optivisor Complete Set Casting Machines & Equipment 6 mm wide sizing rings

6 mm wide sizing rings and pairs them with a matching calibrated aluminum ring stick — all presented in a black wooden presentation box

This positioning engraving block is designed for microscope work

hollow rings

lightweight organizer designed to hold Emlo stickers

Helps reduce bench clutter and keeps tools accessible

Optivisor Complete Set Casting Machines & Equipment 6 mm wide sizing ringsThe Optivisor Complete Set from Donegan is the professional's choice for head mounted magnification. This comprehensive set includes all six interchangeable lens plates #2, #3, #4, #5, #7, and #10 plus an Optiloupe for additional magnification, all stored in a hard plastic case for protection and organization. Donegan's OptiVisor is America's #1 choice in head mounted magnifiers and is made in the USA. Unlike competing head mounted magnifiers that