for Units manufactured from 1976 to 1986. It is offered in a champagne or bronze color die-cast operator. You need to choose above right hand or left hand. (Left hand shown) You also need to determine arm length. It will either be 9.5 inches or 13.5 inches from end of arm to center of gear. Note that the replacement operator is more rounded than the old square look but will still work with the window Please know what you are ordering as these are non-stock custom order parts and cannot be returned. Note: to figure left or right hinging it must be viewed from outside the window looking in All handing viewed from outside exterior looking into window (make sure to view all the above pictures to help make your choices). Sorry special order no returns. Usually ships out in 2-3 weeks
NOTE: do not get this confused with the straight arm operator from 2005 to present. The differences are this operator has a roller at the end the 2005 to present has a pin to lock into track as well as this operator this operator cover one piece die cast cover and the 2005 to present has a plastic cover. Compare pictures above.