Free images results:

Coil pictures, stock photos and images


Rain Stock Photography
Author: Otti38
Curls Stock Photos
Author: Daemys

Also, here are some commercial RF-licensed images that match your search criteria:  
Coil Royalty Free Stock Images
Author: Rainerplendl
Coil Royalty Free Stock Photo
Author: Thielandrzej

Explore more commercial options: More Coil Stock Illustrations & Vectors | More Coil Stock Video Footage