I have a Singer model 675G its a slant needle and open arm--bought in 1967 Brand new from the Singer Sewing Centre in Edmonton , Alberta--it still works although I have 2 others much newer----also have the button holer fo it that is why I won't ive it up--I like the button holes the attachment makes better than the by guess and by God ones--Hope you find what you are looking for---Manitoba Grandma and Great Grandma