This offering contains 2 (two) pins. These pins lock the extended slider into the size position. This part does NOT come with installation instructions. This original Delonghi Window Bracket Slider Screw Pin Two Pack originally shipped with the following Delonghi devices: PACEX290HL3ABK PACEL275HGRKC3AWH This is a true Delonghi part! This item is NEW! Don t see your model number? Send us a message as we are happy to help!