Check the listing for details. Andersen Casement Window Operator Left Handed Straight Arm Operator Perma Shield. Color: Beige, Condition: New. Listed at 127.37 USD. Andersen Window - Perma-Shield Casement Single Arm Operator, Corrosion Resistant arm with Stone cover Wood, PSC, Straight arm, 7191-32, Left Hand Manufactured from 1979 TO 1982 Operator No. 7191-32 Stone colored Nylon shoe attached to Top side of operator Arm Straight arm operator for left hand casement units manufactured May 1974 to 1995. This operator fits visible glass dimension width of 19 3/4 or 24. It is used to replace previous vintage operators with series numbers 7198-17, 1818-2, or 7191 stamped on the back of the operator. This operator stamped with series 7191-32 has been upgraded with corrosion resistant components. The length of the arm from the rivet to the elbow or bend is 9 3/8. Includes nylon shoe and cover only Handle must be purchased separately. A left hand unit will have the lock on the left hand side viewed from the interior. Related Items: 1361312- Left Hand Straight Arm Operator CN 1361122- Left Hand Straight Arm Operator CR Related Andersen Casement window hardware: 1361308- Left Hand Operator ( Left Hand Shown ) 0532408 - Operator Handle Only, Stone - left/right 1351332 - Operator Handle Only, White - left/right 0532610 - Operator Cover - Stone 1351330 - Operator Cover - White Written Article: Andersen Casement Window Operator Replacement