PLS 1 x Carastack Stacking Pads – Set of 4 x Stacking Feet interlocking design. Each Section is 4.25cm high with a total height of 17cm. Use as necessary to level your caravan. Eliminates wooden blocks or bricks Large footprint 14cm x 17cm Colour: Black. Compatable with PO300 PLS Carafoot Jack pad – Set of 4.