Fits for All US Standard Size Doors,there are 3 different hole distance to fit for your door, Hole DistanceA,214MM(8.425IN), Hole DistanceB,230MM(9.055IN), Hole DistanceC,245MM(9.646IN), there must be one hole distance fits for your door. WHAT YOU CARE ABOUT！ 1.ADJUSTABLE HOLE DISTANCE-Does it fit for my hole? YES, it is fit for both new door and replacement the old, it comes adjustable hole distance-There are THREE hole distance to fit for different hole, you can adjust the hole distance accordingly. Three hole distance are 214mm(8.425IN) ， 230mm(9.055IN) ,245mm(9.646IN) . 2.TWO Keyed-alike Cylinder This handleset comes with 2 pcs Keyed-alike cylinder, one is for this handleset, the other is for any one who like to be keyd-alike(SAME KEYS), you can use one of our cylinder to replace your cylinder of back door or side door so that they are the same keys with the main door. 3.Adjustable backset- This Double door handle set with 2 3/8 inch- 2 3/4 inch adjustable backset latch with square corner striker,and fits 1-3/8-Inch-1-3/4-Inch doors. 4 Double Door Handleset This keyed&dummy set comes 2 handle, one is keyed entry handle(active), the other is dummy handle(inactive).<5. Is it reversible for both right and left handed?--YES 6. 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 7. Can it be used to replace Emtek handleset?--YES 8. Fit for doors thickness of 1-3/8" -1-3/4" (35mm and 45mm),Inaddition,our handleset FIT FOR 2 IN THICKNESS 9.Package Includes ALL HARDWARE and template installation needed