This kit will extend the life of your welding helmet with replacement parts that will give your products long-lasting value and protection. Manufactured for use with WH20 411P Fiber Shell Welding Helmet (both sold separately). The Jackson Safety Small Safety Parts Kit is shipped 1 unit per case. 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.