BOLT SIZES ARE 3/4 " X 3 ", 3 /4 "X 4 ", 3/4 " X 5 1/2 ", 3/4 " X 7 1/4 ", 3/4 " X 10 " BRACKETS ARE 3 1/2 X 4 " , AND 1 5/8 " WIDE. $1.00 EACH. 3 21 2