This is a bronze finish left-handed, 9-1/2 inch single arm operator. It is made of heavy-duty diecast zinc with the baked on a bronze finish. The steel arm, worm drive and gears are protected with a corrosive resistant finish, and it opens to a full 90 degrees. The plastic roller on the end of the steel arm insure a smooth operation as it slides through the Prime-Line part TH 22397 track. When installing, the housing easily fastens down to the window sill.
This operator features a 9-1/2 in. long steel arm. It features an bronze finish and hardened steel drive gears. It easily mounts to the left side of your window.