Check others icons on my "Minimal Icon Set" collection Icons set useful for gui design or user interface applications design and mockups. This set is about assertions (OK, NO, Cancel,Fault, Ellipsis, Power, On, Off)
This is a completely free image Icon Set Assert that you can download, post, and use for any purpose.
Image License: CC0 No Rights Reserved
You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission, and at no cost. This image is completely free.