Plastic heavy duty shelf support with dual 5mm pegs spaced 32mm apart, commonly found in garages and closets.
Designed to be attached to the mullion of cabinets to hold up shelves.
Locking Shelf Support With 5mm Peg For 3/4″ Thick Shelf
Low Profile Shelf Support With 5mm X 0.29″ Peg
Locking Shelf Support With 1/4″ Peg For 5/8″ Thick Shelf