This eBay listing is for ONE Mettler Toledo Excellence Scale Display Controller Head, P/N TNDR 24.28.0.1543.142. Used and in perfect working order. This came from a balance that was damaged in transit. The controller has some small scratches on the plastic overlay as shown in the pictures. Can be used as is or it can be a parts donor for a damaged controller. Comes as shown and described, I will give it my 30 day No DOA Warranty. Buyer pays $10 S/H via USPS Priority Mail. Buy with confidence from Esoteric Specialties!