The LCN 4040XPHWPABLACK P4040XP HOLD OPEN 693 BLACK CLOSER XTB is a precision engineered, high-quality, black hold open device that is perfect for use with LCN 4040XP Series printers. This hold open device is designed to provide a secure closure for the output path of the printer, preventing material from spilling onto the floor. The LCN 4040XPHWPABLACK P4040XP HOLD OPEN 693 BLACK CLOSER XTB is also compatible with the LCN 4040XP Series printers and is made from durable, high-quality materials.