Need help determining correct skip link width.

[SKPC]

1/4" wide chain would be it I think. Some late 20's / 30's bicycles and farm equjipment used them as did my heavy service Emblem Motobike from that period. It has a sprocket 5.7mm thick, (.224 inch) and it does not fit a 3/16" chain.(1875) ...... Most of the 1" pitch, besides the block-style sprockets are the thinner gauge, or 4.5mm thick.(177 inch).