38mm Copper Extender With Male & Female 10mm Threads 
If you have a male thread on your lamp base and need to raise a lampholder up.
Use this Copper 38mm Spacer which has a male 10mm thread one end and a 10mm female thread the other.
The Copper Extenderr has a clearance hole all the way through for the cable.
Please Note: There may be some marks or blemishes on the copper plating this can be removed with any metal polish like brasso.
Spacer Height: 38mm
Total Height: 43mm
Outer Diameter: 12.7mm
Internal Hole Size Female End: 9mm
Internal Hole Size Male End: 7mm
Male & Female Thread Diameter: 10mm
Male & Female Thread Pitch: 1mm
Male thread height: 5mm
Finish: Copper Plated