The reputable and safe-proof Kamco Aluminium Single Pole Ladder come with 12 months Manufacturing Warranty from date of Purchase. The side rails are constructed with Aluminium Alloy AA6061-T6 with 3mm body thickness and the aluminum D-rungs are deeply serrated for slip resistance. Double Extension has a working load of 150kg & can extend up to 15' heights. It's designed with range of heights to cater different users' needs and it is actually best for industrial application where access to higher level of height is required. Ladder come with 4 units Foot Rubber. Come with variety of steps from 8ft to 15ft ( Only sell 8ft in Shopee - other sizes please contact Seller directly ). 100% made in Malaysia.