Hex nuts and locknuts are the “glue” that hold connecting parts together on a nipple or pipe in a lamp or lighting fixture. Assortment Includes: 2 – 1/4-27 Round Knurled Locknuts – Solid Brass; 2 – 1/8 IP Round Knurled Locknuts – Solid Brass; 2 – 1/4 IP Round Knurled Locknuts – Solid Brass; 4 – 1/8 IP Hex Nuts – Solid Brass; 2 – 8-32 Battery Nuts – Solid Brass