The Horizon Rack ‘Em double sided lockout hasp 5507 can hold up to 6 locks. These locks ensure that the machinery that is being worked on or inspected cannot be used until all workers have removed their locks. This maximizes worker safety and prevents accidents. The hasp is constructed from heavy duty steel and is zinc plated to prevent rusting. It is double sided and the first side is 1.5” in size while the second is 1” in size. It is designed to be non-sparking which makes it great for use in highly flammable environments.