Thisis one of the most professional Retinoscopy Rack in the market. Thelenses are glass, and the racks are made of hard plastic constructionwhich come in the wood case you see pictured. The wood case measuresapproximately 5" X 13" X 2 1/2". These lens bars are not only greatlooking but allows you to make a quick refraction when used inconjunction with your retinoscopy.
Content: Six (6) plastic racks with a total of 42 pieces lenses