54164. Carbide Tipped Corner Round 3/16 Radius x 1-1/8 Dia x 11/16 x 1/4 Inch Shank. Produce three slightly different profiles using this bit – an edge bead with or without a fillet and a full corner bead – by altering the bit extension or rolling the workpiece between passes. This group of hard-to-find tools is particularly suitable for antique reproductions and restoration projects. Use in a handheld or table-mounted router.