A large rigid router table insert plate for incorporation into user made router tables a large rigid router table insert plate for incorporation into user made router tables thermoset phenolic plastic router plate two concentric snap in rings three hole sizes of 98mm 68mm 32mm dia concentric rings and radial lines on underside for easy centring of router moulded with slight crown 08mm for distortion free cuts corner clips to clamp to table underside can be mounted to 19mm tops with edge rebate