These are Cocoon fireplace accessories.  You may order each accessory here seperately.  They are also available on each of the Cocoon fireplace model webpages.

50 cm extension pole ( 20" long)  $250

Angled hanging bracked ( adjustable for angled ceilings)  $395

Custom size extension poles may be available - please inquire.

These are all polished stainless steel.  You may also use the height diagram for the proper installation and hanging.