The Duke 513 Adapter Bar is crafted from durable stainless steel, designed specifically for blanked-out top openings on Aerohots and Thurmaduke™ models. Measuring 12-3/32" in length and 3/4" in width, this adapter bar ensures a secure fit and reliable performance. Its robust construction provides long-lasting use, making it an essential accessory for enhancing the functionality of your equipment.