Seller notes

Bulb Base (Cap), BA21dBuild your own LED bulb or convert an existing bulb with this BA21d bulb base. The base has 3 bayonet pins, a 21mm diameter body and two contact pads at the bottom. USA and International Shipping, Feedback, Cancellations, Returns We combine shipping on all items (using the total shipment weight) unless specifically stated otherwise in the description. To get the combined shipping price, you must pay for all items together in a single PayPal payment. More than 99.5% of our o...

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