0.3-3.6mm Heavy Duty Keyless Drill Chuck, Silver Black Metal Electric Drill Chuck Quick Release Adapter Converter, Hex Shank - Power Tool Accessories - AliExpress
Proxxon 28940 Set of MICROMOT Steel Collets, 6-Piece - Power Rotary Tool Accessories - Amazon.com
Proxxon Radius Cutting Attachment for PD 250/E Lathe - RioGrande
PROXXON Professional Rotary Tool IBS/E, 38481 - Power Rotary Tools - Amazon .com