Measurements for a Lyman replacement:
- .69" long
- .064" wide
- .300" to .345" tall
- .064" bottom-edge to center of retaining pin hole

Lyman 32GF and 26GF differ only in bead diameter, 3/32" and 1/16", respectively.

Redfield sight is "16 S", (or, ".70 Sourdough Partridge, .300 high, .063 wide".)

Marbles sight is also model "16 xx".