This clarinet-type tubular brass body is obtained by the technique of spinning on a lathe. It allows the construction of a hollow luminaire body for the passage of threaded tubes with a length of 150mm and a base diameter of 27mm. 
Several other models are available, see below.

Product description :
 Base diameter: 27mm
 Head diameter: mm
Height: 150mm
Hole diameter: 10 mm
Thickness: 1mm
 Composition: solid brass
Sold individually