2x 1/2″ To 10mm Brass Lamp Holder Thread Reducer Bush
1/2″ Male to 10mm Female
This will convert a lamp holder fitting from the standard 1/2″ thread down to 10mm.
1/2″ (13mm) (26 TPI Threads Per Inch) Male to 10mm Female Thread
This reducer is approximately 15mm wide x 8mm high
On 06-Jun-11 at 01:54:04 BST, seller added the following information: