Joseph Joseph Rolling Pin Larger Spacer Discs

Larger spacers for the Joseph Joseph rolling pin. The largest it came with was only 3/8" (10mm). I recently needed one that was 1/2" (13mm) and designed my own. Also included larger ones for 3/4" (19mm) and 1" (25mm).  

Here is the source in OnShape: https://cad.onshape.com/documents/427a1990103754ae4452adbd/w/b23f152caffa91e670d2713a/e/0e20f6480ea2df2242a001a9?renderMode=0&uiState=641158e8a73b820da64f9a3d