Questions and Answers for Prime-Line 3-11/16 in. Sliding Patio Door Mortise Lock with Vertical Keyway, Square Faceplate

A:  Hello Clarence, and thank you for your recent inquiry regarding this item from Prime-Line Products. Our goal is to make your shopping experience as easy as possible, but sometimes there are products like this one that requires additional information in regards to the specifics of your existing and/or desired hardware. Please feel free to contact Prime-Line Products directly where a Customer Service Representative there can better assist you with your inquiry. You may also send photos in for us to visualize precisely what you are inquiring about. For additional questions regarding this item, or any other product manufactured by Prime-Line Products, kindly call their toll free number at (877) 649-9740, or contact them by email at info@primeline.net