Locking shelf support with 1/4″ peg for 1/2″ thick shelf.
Locking Shelf Support With Dual 5mm Pegs For 1″ Thick Shelf
Locking Shelf Support With 1/4″ Peg For 1/2″ Thick Shelf
Locking Shelf Support With 1/4″ Peg (.290″ Long) For 3/4″ Thick Shelf​
Locking Shelf Support With 5mm Peg For 1/2″ Thick Shelf