HAMAMATSU Photomultiplier Tube Type R550 03, No. NC7244 5960-04-000-6076These parts are brand new never used in factory box. Type #R550-03 Genuine Hamamatsu OEM Specification Parts (not generic)Type: R550-09 5960-04-000-6076No. NC7244This listing includes 1 (one) Photomultiplier Tube as picturedBrand New never used in open factory box Buy It Now only $329.60 ea. (shipping included)Shipping is FREE anywhere in the US. Delivery Confirmation & Tracking # is included. BUY MORE & SAVE MORE! DON'T DELAY - BUY TODAY! Serious Buyers Only! Seller accepts Mastercard/Visa, American Express, Discover & PayPal ONLY. We provide super-fast shipping the same day payment is received. We also guarantee 100% customer satisfaction. If you are not completely satisfied with our product, simply return within 30 days for complete refund (less shipping). No questions asked. If you have any questions or would like more information, please ask. Thank You for Looking.