DIY Router sled Kit. 20mm linear bearings rails and supports
Mssoomm Linear Rail Shaft Guide and Linear Bearing Slide Block, 2Pcs SBR12-5.91 inch / 150mm Rails +4Pcs SBR12UU Blocks with End Stops to Choose for CNC Router Machine and 3D Printer: Amazon.com:
Woodpeckers Extended Slab Flattening Mill, Great | Ubuy Hungary
Slab Flattening Router Jig With Adjustable Height and 48 - Etsy