Prime-Line Merchandise TH 23020 Single Arm Operator, Left Hand, Bronze

This operator incorporates a 9-1/2 in. lengthy metal arm. It options an bronze end and hardened metal drive gears. It simply mounts to the left aspect of your window.
Diecast housing with 9-1/2in. hardened metal arm
Hardened metal drive worm and equipment
Resists rust and corrosion