Milescraft Metal Bushing Set- 10 Piece Router Template Guide Set with Wave Washer in the Router Parts & Attachments department at Lowes.com
Makita Guide Bushes | Axminster Tools
Router Template Guide Bushing Adaptor for Makita Tool - Walmart.com
Makita USA - Product Details -164379-4
Makita 6.5 Amp 1-1/4 HP Corded Plunge Base Variable Speed Compact Router Kit With Collet, Base, Straight Guide, (2) Wrenches RT0701CX7 - The Home Depot