M1.6 304 Stainless Steel Flat Washers Spacers Fastener DIN125 400PCS Screws & Bolts Each switch comes with two

Each switch comes with two hex nuts

expansion screws decoration etc

The versatility of this vertically mounted sensor means that it can be installed either at the top or base of your tank

Ideal for use in confined areas where the head needs to be flush or below the surface

M1.6 304 Stainless Steel Flat Washers Spacers Fastener DIN125 400PCS Screws & Bolts Each switch comes with two304 stainless steel provides excellent corrosion and rust protection. The flat washer provides a bearing surface for fastener load distribution or is used as a spacer between components. Intended for the general use under the head of a bolt or nut in order to provide a smooth bearing surface. Meets DIN125 specification.