Attributes . Base Spread . Values

100 In. (1)   17 (5)   18 (4)   19.75" (1)   20 in (1)   22 in (1)   24 (1)   30 in (2)   36 in (11)   50 1/2 in (20)   6.63 (4)   65 1/4 in (13)   70 1/4 in (7)   81 1/2 in (4)   9 (1)   None (2)