Built for a local racer so he could move his 2S LCG shorty pack away from the factory location. These could be used in many application. Four M3 screws threaded in METAL inserts provide countless lid installs and removals. No worries about stripping out plastic threads. Holes in the lid for easy ESC hookup! Designed to be servo taped into the chassis, the tray has a recess on the bottom so you have a place to gently pry up the box from the chassis if removal is ever needed. Made from Premium ABS plastic right here in Bartow Florida!