Also on these boards
Lime-green Welded Metal Gear-half Bookends. $70.00, via Etsy.
silver metal steel bookends modern industrial by SalehDesigns, $40.00
Father's Day Black Gear-half Metal Gear Bookends Desk Accessory
Bauhaus Mid Century Vintage Globe and Celestial by opendoorstudio, $325.00
Coolest Table! End/Side Table Pistons Gears and Walnut by mattjohnsondesigns. Love this!