This is an interstate caster wheel made by the rhombus company in West Germany. Yeah it’s one 25 x 32 some sort of rubber or solid caster pivots with a threaded attachment check out the photos asking questions

AI description

The Vintage Rhombus West German BallBearing Swivel Industrial Caster with a 125-32mm wheel is a unique and durable caster designed by the brand Noelting Faultless. Made in the United States, this caster features a rhombus design and ballbearing swivel for smooth and reliable movement. Perfect for material handling and industrial applications, this vintage caster combines quality craftsmanship with a retro aesthetic, adding a touch of nostalgia to any operation.