Sold from 1969 to 1975. Were adding more parts & accessories as soon as possible.
Singer Classic Touch&Sew 700 series was the top of the line machines which were made in the USA. It's even printed on the side of the hand wheel.
The 750 and 770 were named the Golden Touch and Sew. Models 770, 755, and 758 were free arm machines.
Guaranteed to fit because it is a part.