Introducing the GRI DP-750-BL Magnetic Contact Dummy Plug by George Risk Industries. This durable dummy plug features a white self-locking design with a 1/2" diameter, ensuring a secure fit. Its reusable nature makes it both economical and practical for repeated use. Perfect for maintaining system integrity when the contacts are not in use, this plug is a reliable choice for your needs. Don't miss out on adding this essential accessory to your toolkit, order yours today!