Source 1/4 Inch Hex Shank Mini Keyless Drill Chuck for Quick Change Adapter Converter 0.3-6.5mm for Dremel Rotary Tool on m.alibaba.com
1/4 Mini Hexagonal Drill Adapter Converter Universal Multi Chuck With Rod Multi chuck keyless for Dremel Grinder Rotary Tool… | Drill, Converter, Power screwdriver
Keyless Drill Bit Chuck Hex/Round Shank For Dremel Accessories Adapter Converter | eBay
Dremel Chuck Adapter in the Rotary Tool Attachments & Batteries department at Lowes.com
Parts :: Dremel :: Dremel Trio Collet Adapter For 1/8" (3.2mm) Shank Accessories