This electron tube socket is used for tubes as 2A3,300B,811A,572B.
Material: Gilt phosphor bronze,Ceramics,Electroplating iron
Working Voltage:800V
Contact Resistance >0.01Ω
Insulation Resistance <10000MΩUseful Life: 200 times
Payment Method:Paypal and Credit card
We promise to ship out within 3 business days after the payment settlement.
Shipping:
1.Surface parcel (other shipping): Need about 30-45 days.
2.Air parcel (standard shipping): Need about 10-15 days.
3.EMS express (expedited shipping): Need about 4-7 days.
Refund:
Refund only if the received item are inconsistent with the item descriptions.