M8 x 0.75mm Flexible Shaft Screw Cap Nut Collet for DREMEL Rotary Grinder Tool
TJPoto Pack of 2 Square Holed Nut Collet Flex Shaft Driver Cap Nut For Flex Shaft, Mini Saw, Right Angle Attachment Replacement Part For Dremel : Amazon.co.uk: DIY & Tools
DREMEL® Flexible Shaft Attachments to Reach | Dremel
Dremel Flex Shaft Driver Cap Nut by JPN_FI | Download free STL model | Printables.com