MULTI-USE ASSISTANCE: Helps move wheelchairs, buggies and walkers etc. move up to higher step platforms easily. The applicable height of this 183cm wheelchair ramp is 17-45cm and recommended height is 18-30cm.ALUMINIUM BODY: Anti-corrosive for extensive use outdoors, the portable ramp is steady and tough for reliability and support whilst using.GUARDRAILS: Placed on each side, the folding ramp prevents the wheels from rolling off the edges and causing harm.ANTI-SLIP SURFACE: Prevents wheels moving around whilst using the ramp mobility scooters, making it very safe once on. FOLDING DESIGN: Equipped with handle, allowing it to be picked, moved and stored easily. Suggest two people to move it.DOOR RAMP DIMENSIONS: 183L x 72W x 5Tcm. Folded: 91.5L x 36W x 16Tcm. MAXIMUM LOAD WEIGHT 270KG.