Prime-Line Single Arm Operator, Right Hand, Bronze, Stainless Guide Roller, Crank Handle (Single Pack)

This is a right-handed single arm operator with a bronze finish. It is often found on older steel windows as well as other styles. On the end of the arm is a stainless steel guide roller that rolls in the Prime-Line part TH 22825 casement operator track. The hardened steel arms, worm drive and gears are protected with a corrosive resistant finish. The arm with insert into a slot in the window frame to engage the track. Mounting holes are 3.876 inch and 4.75 inch on center.