The Brown & Sharpe 67-100 R1 Adjustable Drill Holder No. 00 Screw Machine is a high-quality tool holder designed for precision drilling. Made in the United States by the reputable brand Brown & Sharpe, this unit is a reliable and durable accessory for CNC machines and metalworking. With its adjustable design and compact size, this tool holder is perfect for holding drill bits securely in place during machining operations, ensuring accurate and efficient results for your manufacturing needs.