National Hardware White Aluminum/Steel Air Controlled Door Closer

Heavy duty door closer is intended for use with heavier out swinging doors. Recommended for heavier out swinging full view or security doors.Medium duty air controlled door closer is designed for use on out swinging wood or metal doors up to 1-3/8 in thick,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