Complete set (2 Z565-48 output, 1 PA774 or PB-028 power, 1 C354 choke) Great for the DIYtube.com ST35 project. Made in USA. Check out the DIYtube chassis and board as well as our complete build kit below... st35-xfmrdeal$399.95 PowerTransformer: Standard 120VAC (PA774)Export 120/240VAC (PB-028)(+$58.00) OutputTransformers(2): Z-565-48 Choke: C-354 Complete DIYtube ST35 Build Kit DIYtube ST35 Board w/ parts DIYtube Punched Stainless Steel Chassis Triode, USA Customer Service M-F 9AM-4PM CT 1-800-774-3201 Email us Anytime: questions@triodestore.com