This is a High Quality Minelab SDC 2300 “Gray” Metal Detector Cover. They include a foot cover on the bottom to keep the SDC 2300 from tipping over when you’re pinpointing targets. This foot cover is made from an extruded aluminum with ridges to reduce slipping when placed on rocks and such.
The cover also has an adjustable armrest strap to stop the armrest from folding up on you.
The cover is made of a high quality canvas and the inner liner is a made from a closed cell foam, this allows it to be used in water and will not hold a ridiculous amount of water when submersed.
The speaker on the SDC is not obstructed by the cover as it has a mesh window to allow the sound to be heard.
The back of the cover has an opening to allow for ease of battery change.