Nyloc Nuts Zinc Plate UNC Grade 8 by Allfast Solutions SKU NYL148CZ 1/4 / 100 5/16 / 100 3/8 / 100 1/2 / 50 5/8 / 50 3/4 / 50 7/8 / 50 1" / 25 1 1/4 / 20 Diameter 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1" 1 1/4 Pack Size 100 50 25 20 Quantity/Each Add to order