Enables a wheelchair or scooter to clear a door frame threshold easily. The modular threshold ramp kit can be used to negotiate thresholds of varying heights up to 144mm (5.5") high. Lightweight but strong, and corrosion resistant, the modular ramps come in 4 lengths which can be linked together as required for indoor or outdoor use. Installation takes approximately 10 minutes. Simple assembly required to create temporary or permanent ramp solution. Each kit is packaged partly pre-assembled and comes with all the necessary components.