HIRST ARTS MOLD #72 - 4" CIRCULAR FIELDSTONE   - "This mold will make all the blocks needed to build the 4" round fieldstone tower. Includes arrow slit, circular staircase builder, decorative stone crellenations, a 5" diameter piece and a transition piece to seamlessly join a curved wall into a straight wall." Skullcrafts only uses gray Merlins Magic to produce top quality castings of Hirst Arts molds. Great care goes into each and every cast to ensure that all bricks are bubble free and all the same sizes. Alternately, you can directly buy Mold #72 from Hirst Arts to cast your own 4" circular fieldstone blocks and order Merlins Magic from Clint Sales and Mfg. Skullcrafts is a fully licensed legal seller of Hirst Arts casts, kits and assembled & painted pieces.