This router compass is used for cutting circles & arcs from 100mm up to 610mm radius. Made of clear plastic. Printed graduated scale for precise radius setting. Fits to the base of a router. Router not included. Plate has a 30mm hole to allow a 30mm guide bush to locate.
Dimensions: Radius min.=100 mm Radius max.=610 mm Guide bush hole=30.1 mm
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