Marvin Old Style Casement Roto-Gear Operator 10815500 LH | Regular 4 7/16" Link Unit

Marvin Casemaster, Awning, French Casemaster, Venting Window / Left Handing Unit - LH -10815500 Mechanism. Also known as the Marvin Casement Window Dual Arm Roto-Gear Operator | STR OT-P83 LH / OT-P84 RH Dual Arm Roto−gear Operator, CN 20 and over; Daylight opening width 14 1/2 (368) and over; May also be number stamped as a P233 P234 unit in some applications. 

NOTE:  LINK ARM "length" is important. SEE DIMENSION "A" ( 4 7/16" Arm Length ) - If you have the "Short Arm" - for an Egress Window with Dim  B = 2 7/8" or 3 3/4" Please Specify in "comment section" @ checkout. If none specified we will ship longer arm, Left Handed Model.

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