Common diameters are about 1.19 inches (30 mm) and 1.38 inches (35 mm).
Listings show these knobs are made from zinc and finished with an E‑Coating, typically described as an Aged Pewter finish.
They’re described as transitional—bridging traditional and eclectic styles—and are recommended for cabinet drawers, doors, and other furniture pieces.
Aged Pewter is described as a warm, rich silver with darker undertones, giving an Old World, slightly aged appearance.
Listings state a limited lifetime warranty (sometimes called a "lifetime limited warranty") covering defects in materials and craftsmanship.