Proxxon 28566 Router Base attachment is made of die-cast aluminum with a milled work base for precision accuracy. Router attachment can be used for slotting, milling grooves and edges, chamfering and other routing applications. The 28566 has a maximum throat capacity of 5.85 Inch or 150 millimeters. Proxxon router attachment features adjustable depth guide with preselectable depth stroke. Ideal also as drilling guide for round parts using the prism in the work base. Designed to be used with Proxxon's 38472 and 38481 precision 110-120 volt rotary tools or Proxxon's 28500, 28510 and 28512 12-volt Micromot rotary tools. Proxxon's 29020 10-piece wood router bit set also can be used.