This product has been discontinued. Replace with #50.11.00-LH-EG.
Additional component required with this replacement:
Cover/Handle #55309.

The Low Profile operator has a dip in the center of the straight arm and a black shoe attached to the end.
This operator is no longer being manufactured by Amesbury Truth and is replaced with the Encore Series
The Encore Series does NOT come with the optional Tango cover and folding handle 

Operator Type: Maxim Dual Arm, Low Profile 
Status: Discontinued, Replace with Encore Series
Mount Type: Sill 
Handed: Yes, Left Hand 
Material: E-Gard Steel 
Color: White 

Replacement Options
50.11-RH Encore Low Profile, Right Hand 
50.11-LH Encore Low Profile, Left Hand
55308 Tango Cover & Handle, RH 
55309 Tango Cover & Handle, LH