Nyloc Nut Imperial Stainless 316 by Allfast Solutions SKU NYLS316C6 3/16 / 100 1/4 / 100 5/16 / 100 3/8 / 100 7/16 / 100 1/2 / 100 5/8 / 25 3/4 / 25 7/8 / 20 1" / 20 Diameter 3/16 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1" Pack Size (Indicative only) 100 25 20 Individual Units Add to order