This is a large one piece printed solid black Neptune Trident Shelf Bracket.
Mounts with 4 screws thru recessed holes. (screws not provided)
or Mount it with underside braces.
This is for mounting to a right or left hand wall or board when facing your aquarium/stand.
When ordering be sure if you are mounting to the left or right side.
Normally only available in orange  or black. (these are 17hr prints)