Plastic heavy duty shelf support with dual 5mm pegs spaced 32mm apart, commonly found in garages and closets.
Locking Shelf Support With 1/4″ Peg For 1/2″ Thick Shelf
Locking Shelf Support With 1/4″ Peg For 5/8″ Thick Shelf
Locking Shelf Support With 1/4″ Peg (.290″ Long) For 3/4″ Thick Shelf
Designed to be attached to the mullion of cabinets to hold up shelves.