PORTER-CABLE 42186 5-3/4-Inch Router Sub-Base<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement sub-base for 690 series routers</li><li>Compatible with all 890 series router bases</li><li>1-1/8-inch Center hole sub-base accepts standard template guides</li></ul></div><img src="http://ecx.images-amazon.com/images/I/5187siuZ3gL.jpg" noproxy>