Appleton™ and O-Z/Gedney™ NEER™ Standard Conduit Locknuts are used for securing threaded conduit or connector with a tapered or straight thread to a knockout or unthreaded slip hole. They are available in a wide range of trade sizes and materials. Brand: Appleton® Dimensions: 1.72 in W x 0.27 in H Finish: Electro-Zinc Plated Material: Steel Series: L Series Size: 1 in NPSL Suitable For Use With: Threaded Conduit/Connectors Type: Standard