AK-01 2345 Adjustable Knuckle with Set ScrewSKU: AK-01 2345Click Arrow For Finishes in Lite IronSelectClick Arrow For Finishes in Solid IronSelectInformation:CAD Drawing Matches any of our square 1/2" Iron Balusters Available in Lite & Solid Iron Opening: 1/2" square Carton Quantity: 25 or 50