Precision Router Base - Support for Dremel tool / for Luthier | eBay
Precision Router Base - GITABOU
Amazon.com: Jiayouy 2 in 1 Rotary Tool Plunge Router Base with Router Edge Guide Soundhole and Rosette Routing Jig Perfect for Guitar Bass Fretted Instrument Work : Musical Instruments
Plunge Base (Original): (for Trimmer and Compact Router Motors) – Micro Fence
Wooden Precision Mini Router Base for Rotary Tool (with Cardboard Prototype) : 7 Steps (with Pictures) - Instructables