Adjustable weight for steam preassure valve used on many steam engines like Fleischmann, Wilesco, Manond, Weeden. Jensen, Doll, Marklin, Bing accessaries
Your buying 1 Weight, measures 3/4” diameter and 3/4" high,
Made with a tin and pewter alloy which makes it harder than the original one.
You can get them plain or painted black, just ask, or you will get my choice.