This Trend 46/390x1/2TC Large Guided Rebater is bearing guided for straight curved work. It is for use with portable or stationary routers and is supplied as standard with ref: BR/191 fitted.
There are a variety of bearing rings available to give various rebate sizes.
These rings are secured between the two bearings.

D: 50.8 mm.
C: 22.5 mm.
B: 12.7 mm.
E: 19.1 mm.
E: 15.9 mm.
OL: 78 mm.

Specifications:

Shank Diameter: 1/2 inch.
Shank length: 35 mm.