The pivot lock shoe had dimensions of the following:
2 1/8x 9/16 or 5/8 x 15/16
I have attached photos of the shoe.
Also took a photo of the pin that goes in the shoe and the dimensions for it are here:
It's a 2 and 3/8 inch long pin. The head of it is as follows:
Round part. 1/8x5/16. 3/8