Complex me 8 vertical columns hote hai jinki height 550 mm- 2 pcs, 1200mm- 2 pcs, 1500mm- 4 pcs or 3 sets benches k hai. Har bench ki length hai 1650 mm. Benches columns k sath fix hote hai crossbars k use se different heights: 500, 950 or 1400mm pr. Crossbar fittings collars ki help se possible hoti hai.