This antique pencil lead holder is a must-have for any collector or enthusiast of vintage writing instruments. Crafted from high-quality brass, this holder features an auto-feed mechanism and a retractable tip, making it perfect for use with drafting pencils. The lead diameter and grade are unknown, but the pencil is believed to be a vintage item, adding to its charm and appeal. Whether you're a fan of mechanical pencils or simply appreciate the history of writing, this antique lead holder is sure to impress.