This One Piece  Pen Kit is simple to make 

Placed in one of our Desk pen holders (trumpets)   They make an excellent gift and sell well at craft markets.

Bushings   $3.00 (single Part)

7mm Drill Bit 

Drill a 55mm x 7mm hole into one end of the pen 

You can turn between centres by bringing up the tail stock or on a Closed end mandrel