These bricks are delicate and brittle, but the good news is that a cracked brick does not necessarily need replacing. Whilst the brick maintains structural integrity and holds itself up and in place, it can continue to be used.
CLOCK BLITHFIELD 5 MKII FIREBRICKS
Clock Blithfield 5 (Compact, 5, Inset and 8) Rope Kit
Clock Sudbury 5 Firebricks
Clock Brocksford Firebricks
Official Herald 5 Compact CEV2 Firebricks
Official Parkray Aspect 4 Compact Eco Firebricks