Platte River 866644, Hardware, Shelf And Support, Shelf Pins, Brass Support With 1/4" Pin, 100-pack Easily build adjustable shelves with these sturdy supports. Specifications: Bore Diameter=1/4 in, Finish=BRASS PLATED, Material=STEEL Specifications: Overall Length=13/16 in, Pin Length=3/8 in, Support Length=1/2 in Specifications: Support Width=5/16 in