A Vacuum formed circular Riven mould available in 3 sizes and 2 depths. The 585mm (23 inches) mould can also be used as the centre in our Rotary ( Rotunda) Paving. The 450mm (18inch) mould also forms part of our Circular Pattern Set. We also have a Yorkstone Circular Mould 380mm (15inch) x 38mm Depth. Priced item is 380mm (15 inch).