Tubes arrived very nicely packaged. I tested them on two of my tube checkers (and EO 667 and a B+K Dyna jet 707) and they checked out perfectly - just as the seller described. If ever I look for tubes, I always go to the seller. I highly recommend him for any vacuum tube needs. 
t***u (82)- Feedback left by buyer.
Past month
Verified purchase
As a second time buyer from this seller. All I can say is fabulous.... 5***** all the way. Shipping was super fast and the item was as described!
i***s (2110)- Feedback left by buyer.
Past month
Verified purchase
Fast Shipping, Well Packaged, Item as Described, Smooth Transaction, AAAAA+++++
a***- (187)- Feedback left by buyer.
Past year
Verified purchase
Excellent transaction! Item arrived within 3 days of ordering. Exactly as described. Every eBay transaction should be this good!
d***6 (63)- Feedback left by buyer.
Past 6 months
Verified purchase
Item arrived in good condition and excellently packaged. Item was also as pictured and described!
r***i (116)- Feedback left by buyer.
Past 6 months
Verified purchase
The manual exceeded my expectations. Well packaged and shipped promptly. I would buy from this seller in the future and highly recommend.