The Storz coupling blank cap and chain come in a variety of sizes and come with two lugs by default. They are typically used to momentarily seal Storz outlets and come in brass and aluminium. Standard equipment includes a nitrile seal.
You may get a variety of blank caps and chains for Storz couplings made of aluminium online from PAR Direct by clicking the link. Alternately, you can click the “enquire now” button above and specify the product code and quantity you need to submit an inquiry for brass or stainless steel choices.