WHAT YOU CARE ABOUT 1.Do I have to pay for return NO We accept return LIFETIME , we accept unconditional return 2.Does this handle fit for my NEW door YES , it is fit for ALL NEW DOORS. 3.Does this fit for replacing the old handle YES , if the bottom part pre-drilled hole distance is 214mm , top part hole distance in US is standard , it is 139mm(5.5IN) , you do not have to care about it. 4.Is it reversible for both right and left handed YES 5.Can it be reset with Kwikset Cylinder Yes , this handle set keys are Kwikset KEY WAY , it is Kwikset Type , you can reset it to be the same keys as your exist keys , the Cylinder can be detached 6.Can it be used to replace Emtek handleset YES Product Description: Fit for doors thickness of 1-3/8 inch -1-3/4 inch (35mm and 45mm) Inaddition , our handleset FIT FOR 2 IN THICKNESS DOOR TOO : Backset: 2-3/8 inch and 2-3/4 inch (adjustable) Opening direction: Both right handed and left. Package Includes ALL HARDWARE and template installation needed : Exterior handleset Interior Lever door handle (reversible) Interior Square strike Deadbolt with 4 keys Adjustable backset x 2 Screws for installation Diagram template for installation : Other specification Material:Zinc Alloy Finish:Matt black 100percentage Solid Handleset Installation Video(ONLY REFERENCE , THEY ARE NOT THE SAME MODEL , BUT INSATLL STEP ARE TRHE SAME) s:/youtu.be/3pNnhipEqbM Screw cover detached video s:/youtu.be/T600UWnEEHE