ALUMINIUM SELF SUPPORTING LADDER AQPC MODEL No 1021 AQPC ALUMINIUM Self Supporting Type Economy Tower Ladder with extension made out of Extruded Tested Quality Hindalco make ALUMINIUM Section of size 66 68mm 31 75mm 3 20mm thick approx steps made of 25mm 1 dia approx fluited ALUMINIUM pipe at required distance of 12 containing M S Pulley Best good quality Sisal Nylon rope Best self locking arrangements and fitted 2 Nos solid rubber wheels on one side and 2 Nos Best rubber shoes at other side to make the Laadder easily moveable and sturdy when at work complete with handle railing and a safety ring at the top for safety of workers The width of the Outer Ladder is not less than 300mm