Ramset Cobra Plus Piston w/ring 585320 3rd. Gen Lot of 3 units. See pictures to see actual parts available.New, unused as shown in the photographs. Message me with any questions. This item is in the category "Business & Industrial\Light Equipment & Tools\Powder Actuated Tools". The seller is "david2van" and is located in this country: US. This item can be shipped to United States.