CMT 807.190.11 3-in-I Flush Trim Bit for MDF & Laminates, 5/8-Inch Cutting Length, 1/4-Inch Shank 3/4-Inch Cutting Diameter, 2-11/32-Inch Length. Ideal on plastic laminates and aluminum laminates. Super-strength superior steel, Non-Stick Orange Shield Coating. 2 SinterHip Hi-Density Industrial Chrome Carbide cutting edges. Non-freezing Delrin Bearing reduces the chance of bearing failure and doesn't ruin work surface. CMT bits were rated the best overall in comparison to other brand (Test by Wood Magazine)