N279-786 BLACK FINISH TOUCH'N HOLD DOOR CL *Material: Steel *Product Type: Door Closer *Hardware Included: Yes *Packaging Type: Carded *Adjustable Closing Speed: Yes *Alum tube - steel rod, steel jamb and steel door brackets material * Door closing speed is fully adjustable * Two hole end plug allows closing force to be regulated * Includes convenient hold-open washer * Extended operating life as closer is permanently lubricated * Heavy duty air controlled door closer is designed for use on out swinging wood or metal doors up to 1-3/8 in thick