Bearing guided intumescent strip cutter for routing the groove for intumescent strip in a frame or door.
Two sizes available to suit 4mm thick strip of 10mm or 15mm width.
Intumescent strip is used to create an effective barrier to both fire and smoke.

Specification:
D=27.05 mm
C=10 mm
B=19.1 mm
E=4 mm
OL=75 mm
Shank Diameter=1/2 inch
Fire check=30 minutes