Added ER11 chuck to my Makita RT0701C - Random or Off Topic - V1 Engineering Forum
Metric collets for Makita - Onefinity CNC Forum
KATSU Electric Cordless Router Collet Chuck Reducer 1/2" to 1/4" and 3/8" Compatible with Makita and Merry Router Replacement Spare Parts SP10035015 : Amazon.co.uk: DIY & Tools
Makita ER Collet Conversion - Upgrades - Inventables Community Forum