Prime-Line H 3507 Window Operator, 8 in L x 3-7/8 in W x 13-1/4 in H Dimensions, For: Older Steel Framed Windows, Right DIAMOND SAW BLADES Glass filled nylon and glass

Glass filled nylon and glass filled polypropylene interior

Boister reinforces shank for hard use

Spandex Back

Dual 1/2 in threaded side and bottom inlets

Prime-Line H 3507 Window Operator, 8 in L x 3-7/8 in W x 13-1/4 in H Dimensions, For: Older Steel Framed Windows, Right DIAMOND SAW BLADES Glass filled nylon and glassThe H 3507 casement window operator is a right hand aluminum teardrop body type. It has a 8 in steel arm with a round disc on the tip (some older styles had a small wheel instead of a disc). The disc slides in the H 3529 casement track located on the bottom of the casement window. It is worm gear driven by a 5 16 in crank spindle. The matching crank handle that fits onto the crank spindle and installation screws are included. Mounting holes available