tender for aluminium straight ladder 16 feet height with 16 steps, made of alu. c-section size(66.67x31.75x3.18)mm with step corrugated pipe dia 25.4mm, distance of step 305mm, non skidding with rubbershoe on bottom( in one piece without joints). confirming to is:4571. make: kalco or senior or sumer or skywardor beatlife.
