YA MI Telescopic Ladders, Multi-Purpose Folding Aluminum Extension Ladder, It is applicable to RV, Attic, Home and outdoor work, With the maximum bearing capacity of 150KG (12.5Ft/3.8M) : Amazon.co.uk: DIY & Tools
LFI Pro EN131 Professional H7 Aluminium Double Section Extension Ladder - Ladders.co.uk
Lyte 10.2m Professional Trade 3 Section 3x14 Rung Extension Ladder | B | IMS