NorSap 1700 is a lightweight and compact controller chair with room for extra equipment in the armrest. The two top covers of the armrest fronts are easily adapted as a mounting frame for control options of your choice. Functions - Height adjustable column with gas-spring. - Adjustable footrest. - Adjustable backrest and seat. - Forward/aft adjustment of seat. - Chair swivels 360° Optional - Custom color combinations - Standard Deck rails - Electric Deck rails - Lumbar support - Additional seat cover, fabric or water-repellent.