The side brackets are used to keep the hutch of the cabinet seperated from the base so the work top can slide in and out. Slide clearence is how much the work top overhangs each side of the cabinet.
Hoosier Style Cabinet Side Brackets (PAIR)
ANTIQUE HOOSIER CABINET FLOUR Dispenser Barrel PART
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Antique Hoosier Cabinet Hardware Door Chart Three Piece Set Flour Bin
Paneled Hoosier Cabinet Spice Jar, No Lid, 2" O.D. Top, Very Good Condition
Hoosier Cabinet Hardware Tambour Door Brass Lift Pull