Ronco Bottle and Jar Cutter. Cuts round or square bottles and jars. Copyright on instructions is 1972. Instructions come on an 8 page leaflet. With specific instruction for assembling unit as well and cutting glass in different shapes and craft ideas. For using cut bottles. This is unassembled and looks like it has all the pieces. The small ones are removed from the frame. I also managed to get everything back into the box. Set is complete and unused.