Bark/Split FirePit Log Stacks - Fireproof logs intended to have an "orderly randomness" for 360° viewing. FirePit Log Stack set sizes are based on the footprint diameter or square of the log stack (allow extra space between log stack and inside dimension of fire pit. Recommended for use with ring burners. Click on the footprint size to see available stacks. 12" 20" 24" 30" 36" 42" 48" 64"