Marvin Old Style Casement / Casemaster Roto-Gear Operator RH 10815501

Order this OEM Style Marvin replacement part, 10815501 RH Dual‑Arm Roto‑Gear Operator today to restore smooth, reliable operation to your casement or awning window. Standard option is with the B-ARM Length @ 4 7/16" measurement and part # 10815501. Marvin Case-Master Casement, Awning, French Case Master, Venting Window - RIGHT HANDED / RH -10815501 Casement Window Crank Mechanism. Also known as the Marvin Casement Window Dual Arm Roto-Gear Operator - "B" Dimension is 4 7/16" Long - however please note: Also available in B-Arm Lengths of 2 7/8" 3 3/4" for different applications. 

NOTE: If you need a Left-Handing, or other than standard B-Arm Length Specify in the COMMENT SECTION at Checkout.