MAKITA 3/8" Collet Cone, 3608B Part No.763619-3 - Power Tool Accessories - Amazon.com
1/4" Collet for Makita Trim Routers
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
Added ER11 chuck to my Makita RT0701C - Random or Off Topic - V1 Engineering Forum