Prime-Line H 3516 8 inch Square Type Left Hand Casement Operator, Bronze Product Description This steel constructed casement operator comes finished in bronze. It features an 8 In. steel arm and a square body style with an included crank handle. Easily mounts on the left side of your window when viewed from the inside. Used by many wood window m From the Manufacturer This steel constructed casement operator comes finished in bronze. It features an 8 In. steel arm and a square body style with an included crank handle. Easily mounts on the left side of your window when viewed from the inside. Used by many wood window m Features Left handed square body crank handle (viewed from inside looking out) Mounting holes are 3-7/8 in. and 4-3/4 in. on center Arm is 8 in. from middle of the guide button to the middle of the crank operator while closed Heavy duty diecast zinc construction with copper finish Steel worm drive gear for durability Matching crank handle is included USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.