Nice new UV4 4 pin locking type sockets for tube types such as 101D, 3A110A, etc.
This type has a collar that locks the tube into the socket with a locator pin on the side of the base.
Mounting holes are 2 3/8 inch (60 mm) X 1 9/16 inch (43.5 mm)
Price is per socket. Offers considered on quantity 10 or more. Please note that this is heavy item (weighs about 200 g each), the weight will be reflected in shipping costs
This item is shipped from Britain, in North America or Asia please allow 2 to 3 weeks for delivery