These measure 4x4 inches and fit the 4x5 camera made in Newfane VT, also I believe fit the Wisner camera.
3 have 42mm hole for Copal 1 size, 1 has notch for indexing pin
1 has 35mm hole for Copal 0 size
$25 each including US shipping, or all 4 for $90, incl. US shipping. International shipping available.