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 Boister reinforces shank for hard

Boister reinforces shank for hard use

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tempered chrome carbon steel blade retains edges

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 Boister reinforces shank for hardThe 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