* CMT 9/64' Diameter 5/16' Cutting Length Solid Carbide Weather Seal Router bit 1/4' Shank 813.001.
- Make your house more energy efficient by insulating old doors and windows.
- A CMT Weatherseal bit is the perfect bit to re-groove door and window frames to accommodate wind blocking inserts.
- Special economical double-sided design lets you save money by offering two tips in one bit; with the same features as the one-sided weatherseal bit.
- Made of solid carbide for strength and endurance.
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