Proxxon Router Base OFV Precision made cast aluminum with milled work base Used for routing, milling grooves and edges and chamfering Has maximum throat capacity of 5.85 Inch or 150 millimeters For use with Proxxon B0017PWTX8, B001FWXEO6, B000S5KNEK, B000S5J5R6, B000S5KO3K, B0017NN5M4