Porta Plane cutter sharpener grinding wheel

Any suggestions on where to find a replacement grinding wheel for the cutter grinding attachment that used to come with the Porta Plane? I had no luck with the PC parts site. It is part #48059. Thank you. Pat
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.