CMT part no:712.040.11
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. Made of solid carbide for strength and endurance.
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. Only available with a 3mm
(1/8") cutting diametre.