Mantel Specifications
A =  Length of shelf (Longest Dimension) - Fig.6
A-1= Length of shelf (Shortest Dimension) - Fig.6
B = Depth of shelf (Largest Dimension) - Fig.6
B-1 = Depth of shelf (Shortest Dimension) -Fig.6
C = Back width of base - Fig.6
C-1 = Front width of base - Fig.6
D = Height - Fig.5
E =  Mantel opening width at base - Fig.5 and Fig.7
E-1 = Mantel opening width at base - Fig.7
F = Mantel opening height (Highest Dimension) Fig.5
F-1 = Mantel opening height (Lowest Dimension) Fig.5
G = Projection for surround (Inside Dimension) - Fig.6
H = Projection to corner block (Inside Dimension) - Fig.6

A =  69"
A-1= 69"
B = 10 1/2"
B-1 = 10 1/2"
C = 66"
C-1 = 66"
D = 48"
E = 48" 
E-1 = 48"
F = 37"
F-1 = 37"
G = 7 3/4"
H = N/A