Those screws and rubber dampers are really useful when you are mounting flight controller board to your Blade Inductrix or Tiny Whoop Quadcopters. M1.2* 1 set screws fit for stock Blade Indcutrix frame. M1.4* 1 set screws fit for Eachine black E010 frame or Beta75 75mm frame.

4x Screws and Rubber Dampers