Professional Trade Combination Ladders certified to EN131-2 standard Manufactured in the UK with the best quality aluminium ideal for frequent and heavy trade use ONLY 6 and 9 treads can be used on stairs High quality stabiliser bar with larger footprint reducing the risk of sideways slips; maximising safety and stability Improved box section stiles with strengthened D shaped rungs for comfort when climbing Durability tested to 50;000 cycles with Maximum Capacity Load of 150 kg