Replacement insert for carbide reversible blade round over cutter.
FESTOOL Replacement R1 Cutter for 499811 [HW WP R1mm D28mm KL12.7mm OFK] 
$171 Incl. GST.
Cutter for rounding wood and plastic edges as well as solid wooden work pieces.Reversible carbide blade provides extreme precision, no re-sharpening required. Extremely economical due to long useful life. Reversible blades can be used 4 times and are easy to replace. Diameter 28 mm, working length 3 mm,Radius 1 mm, total length 55 mm.