1 1/2 Bolts UNF Black Grade 8 by Allfast Solutions SKU BOH11248FB 4 / 3 5 / 3 5 1/2 / 3 6 / 3 6 1/2 / 3 7 / 3 10 / 3 11 / 3 Length 4 5 5 1/2 6 6 1/2 7 10 11 Pack Size 3 Quantity/Each Add to order