Snifters, Sellars. 1-1/2" scale (set of 2), 3/8-32 Product Price $75.00 Add to CartClick to add this item to cart. SKU: VMSS1123832 Product Description Constructed brass Bar stock. 1-1/2” Scale 3/8-32 thread Also known as drifting valve. Allows vent path for cylinders while locomotive is coasting with the throttle closed See also different:Snifter Valves<< return to products