Use - Portable aluminium wheelchair ramp designed to allow manual wheelchairs to overcome thresholds and doorways. No installation is required, simply rest the aluminium bridge ramp over the threshold and start using Features - Black anti-slip surface. Supported design, protects thresholds and eliminates flex. Lightweight & Portable - At only 4kg this bridge threshold ramp is a lightweight and portable ramp to use within the home and office Size - This 3cm bridge ramp is 30mm x 700mm x 400mm x 4kg.The distance between the two supports is 113mm Suitability - With a 350kg capacity the lightweight access ramp is suitable for manual wheelchairs, walkers and rollators Important - Threshold height must be the same on either side of the threshold. Not suitable for electric wheelchairs or scooters.