Check out Dremel Flex Shaft Rotary Tool Attachment with Comfort Grip 3D model on CGTrader for $39. High-quality mesh by furniture3dmodels-dot-com: 1 polys, 1 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 18.1 MB), OBJ (OBJ, filesize: 51.7 MB), FBX (Autodesk FBX, filesize: 17.6 MB)