Roto Pro-Drive single arm casement window operator for vinyl window application.

Brand: Roto Hardware
Application: Surface Mount, Vinyl Windows
Arm Length: 13-1/2 inch (13-7/16 from housing to middle of arm)
Handed: Right
Standard Color: White,
Optional Colors: Almond, Earth White, G2 Almond, Blue White

Note:
The X-Drive and Pro Drive are the same operator that uses a different crank handle.
The Pro drive operators have a hex shaped hole in the operator and the handle with a 5/16" hex stud pushes into operator.
The X-Drive has a 5/16" Hex spline that protrudes from the base and the handle fits onto it.