A simple, low cost, robust stretcher that can be deployed very quickly. X Ray transparent.(One tiny stainless spring in each buckle.) Can be dragged along floors, narrow corridors, up companion ways, along sewer pipes, up railway embankments, across open ground – the skin is low friction, does not ruckle or snag and the unit weighs in at under 6 kg. Fast fit/adjust buckles rated at 200K Six easy grip Carry handles. All Closure/Carry handles user replaceable.