Iron Art is a unique line of products created by using the techniques of the traditional forge. Each piece is fabricated with a rare craftsmanship reminiscent of a time when expert artisans hammer and anvil in hand transformed pure iron into simple functional designs. This is a decorative collar complements your traditional decor and is designed to house Acorn s lock cylinders. 2-1/4 Diameter Hole. Finish: Black. Function: Cylinder Collar. Material: Iron. Shape: Square. Theme: Country / Rustic Traditional / Classic.- SKU: ACRN420