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Weatherseal router bits 712.040.11
With CMT router bits make your house more energy efficient by insulating old doors and windows. CMT Weatherseal router bits are the perfect router bits to re-groove door and window frames to accommodate wind blocking inserts. Made of solid carbide for strength and endurance. Special economical double-sided design lets you save money by offering two tips in one router bit; with the same features as the one-sided weatherseal router bits.