Features: Single-handed lock and height adjustment for ease of use Configures to ten different height positions, ideal for working on uneven surfaces and stairwells when levelled* Easy-Grab handle makes it simple to carry your platform quickly and safely Slip-resistant bumpers for stairwell mode Large platform provides a non-slip work surface Folds completely flat with a compacted depth of 11cm for easy storage and transportation Non-marring feet provide slip-resistance and protect the floor from damage Lightweight aluminium design 5-year guarantee against defects in workmanship and materials**** Technical Specification: Open Length (m) - 1.45m - 1.58m (4ft 9in - 5ft 2in) Open Width (m) - 0.51m (1ft 8in) Open Height (m) - 0.51m - 0.76m (1ft 8in - 2ft 6in) Product Weight (kg) - 9.75kg Closed Length (m) - 1.19m (3ft 11in) Platform Dimensions L x W (m) - 1.16m x 0.35m (3ft 10in x 1ft 1in) Closed Width (m) - 0.51m (1ft 8in) Closed Depth (m) - 0.11m (4in) Shipping Weight (kg) - 9.85kg Shipping Dimensions L x W x D (m) - 1.19m x 0.51m x 0.11m (3ft 11in x 1ft 8in x 4in) *Only use on stairs if the stile height can be adjusted so that the platform is level. **Safe Working Height based on 1.75m (5ft 9in) as the average reach height of a person ***Load includes user, tools, materials, etc. ****Guarantee against manufacture defects in workmanship or materials, see Werner's FAQ for details.