... Length: 1.35m, 1.5m, 1.65m, 1.8m, 2.1m, 2.4m & 2.7m. Material: High quality Q235 steel rail.Corrosion Forms ... Weight: 0.95lbs/feet (1.40kg/m), 1.25lbs/feet (1.85kg/m), 1.33lbs/feet (2.0kg/m) and so on. Normal length ... : 5.5ft(1.65m), 6ft (1.80m), 7 ft(2.10m ... ), 8 ft (2.45m ...