The product is a set of antique industrial castors, designed in an industrial style taken off an 1873 Hallet Davis Grand piano. There is a pin missing from one wheel. These castors add a unique and historical touch to any furniture or piece of equipment they are attached to, giving it a vintage and authentic look. With their durable construction and classic design, these castors are a great addition for those looking to incorporate a touch of nostalgia into their decor or projects.