These vintage steam engine sight glass/gauge protectors are a unique piece of railwayana. Made for trains, they add a nostalgic touch to any collector's display. With a design that reflects the charm of steam engines, these protectors are a rare find for enthusiasts of transportation collectables. Ideal for adding character and authenticity to a collection, these sight glass/gauge protectors are a must-have for any railway enthusiast. Uncleaned condition, Only one pin One has seething an the mesh (see picture)