4pcs Bakelite Tube Base Socket 4Pin For 2A3 300B U4A Base Triode Rectifier
4pcs 4pin Bakelite Tube Base
Fit for 300B 2A3 etc 4pin rectifier, triode tubes
Outer diameter 34.5mm
U4A base
4pcs each lot
Used to build your own tube, replaced tube, restore tube, tube adapter and so on

l       We only accept Paypal.

l       Payment is expecting within 5days after you win the item or pls contact us.

l       You must offer telephone for delivery.

l       We ship the order within 3days after the payment.

l       We ship the package by Registered air mail in 7-14days or longer in some countries 20-30days. If you dont receive your item, pls contact us for reshipping or refund.

l       We ship to the confirm paypal address. Pls make sure your paypal address is right. Or match the address when you payment. A Telephone number is better for delivery.

  • We stand behind every product we sell. If you're not pleased with your purchase, we'll be happy to make an exchange or refund the product price less S&H within 30 days of your purchase.
  • For any exchange or refund, we need the original receipt or a record of the purchase in our system, and the product must be in its original condition, including the box, UPC bar code, packaging, and all accessories.
  • Please allow up to 10 business days for returns to be processed.
  • Shipping and handling charges are not refundable.
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