Making a radiused sanding block and a fret press caul – Dave Mac's Window on the World
Add groove to DIY Fret Press Caul? | Telecaster Guitar Forum
Fingerboard Fret Press Inserts Tool For Guitar Making Tools Set (pressure Block 16 Inch Radius Copper Block Rectangle Neck Rest) - Guitar Parts & Accessories - AliExpress
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Field Expedient Fret Press Pliers (FEFPP) using the Stewart-MacDonald fret press caul with variations in design including attachment to deep-throated locking pliers, a C-clamp, and a quick-action clamp [Pictures] - created 02-06-2006