snippet: This CRL Casement Window Operator is a quality metal operator designed to replace most obsolete models. Its smooth movement and durable construction allow for years of trouble free use. It has a square housing style and a 3/8" (10 mm) spline size. The operator has two sets of screw holes, 3-7/8" and 4-3/4" (98.4 and 121 mm). Handing of CRL Casement Window Operators is determined by the hinged side of the window when looking from the inside out. One operator, handle and installation screws per package. .

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