https://www.breguerandkrugger.com/product/microscopy-grid-50-100-mesh-breguer-305mm-bkgd50-10030p-4/?product-page=3
Microscopy grid 50-100 Mesh, Breguer 3,05mm - BKGD50/10030P - breguerandkrugger.com
Microscopy grid 50-100 Mesh Breguer - BKGD50/10030P. The standard size for this product is 3.05mm but it can be made in 2.03 if desired. It's a quality product...