Jackson Safety TRANSLIGHT 555 internal safety plate replacement is sold separately from TRANSLIGHT 555 welding helmet. Internal safety plate replacements are sold in a package of 10. These internal safety plates measure 5.25” x 4.5”. Established in 1933, Jackson Safety has built a century long reputation for delivering the most innovative safety solutions in the welding and personal protective equipment industries. When it comes to providing safety solutions with long-lasting value, durability and comfort, Jackson Safety has set the standard. Whether the need is for welding protection in a steel fabrication environment, head protection on a construction site, or hearing protection at an airport, Jackson Safety provides the widest range of safety choices to meet the needs of every job and every worker.