The plates are part of the column.
Column to the outdoor lamp -LV-044-10-2500
Column height 2205 mm
Thread diameter 50mm
A possible combination of a lamp and a column Odkaz LV-057 -2 sizes
Total height 3 080mm.
Total height 2 670mm.
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Longer option - 2 080 mm 15x
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Shorter option - 1 670 mm 15x.jpeg)
The plates are part of the column.
Possible combination with a lamp Odkaz LV-057
Crown: LV-001-30-650 30x
LV-001 - link
Stand: LV-031-10-00 10x
LV-031 - link
Stand: LV-056-10-00 10x
LV-056 - link
LV-039-10-00 10x
LV-039 - link
Also possible as a wall-mounted electric lamp.
3 options how to use the crown: 15x
Lamp separately 700 Kč, with console 60 cm - rental fee 1,200 CZK, with console 40 cm - rental fee - 1,100 CZK
Bracket for wall type: 
LP-006-40-500 Bracket for Prague lamp 60cm | Sedldekor
LP-005-7-400 Bracket for Prague lamp 40cm | Sedldekor
Stands: LV-057-30-00 2x15 ks LV-057 - link
Column height 2205 mm. All columns also include plates.
Total lamp height approx. 2705 mm.
Possible to choose from 2 types of lamps (14 pcs each) + stand + arm.
Height: 2 220 mm
2 options how to use the crown: 
2x hinge
21x with stand
Crown: 550 mm: 23x
Stand: LV-057-30-00 15x LV-057 - link
A) Standard option: 14x - stand height: 3 550 mm - 1500 CZK
B) Option with an extension: 14x extension - total height: 4 185 mm - 1800 CZK
A) Standard option: 14x - stand height: 4 305 cm - 2000 CZK
B) Option with an extension: 14x extension - total height: 5 595 mm - 2500 CZK.JPEG)
Crown: LV-034-10-1000 10x
LV-034 - link
Stand: LV-056-10-00 10x LV-056 - link