3/4" to 1/2" High Misalignment Spacer Zinc Plated Steel 2 Inch Mounting Width Pair
$6.92
High Misalignment spacer reduces a 3/4 inch bore to a 1/2 inch bolt hole.  Mounting width when installed is 2 inches with 60° of total misalignment (30° in either direction).  Sold pair. Depending on availability can come in clear or gold zinc