【Unused/Genuine】*Returns not accepted. Please read the description carefully and consider whether it fits your home's entrance. YKK AP Entrance Door Replacement Cylinder 2-Piece Matching Set This is a replacement cylinder set made by ALPHA for YKK AP entrance doors with Smart Control Key (PRONT). Everything shown in the photos is included. ■ Product Details *Products from October 2021 onwards Manufacturer: ALPHA Compatible Doors: YKK AP Smart Door PRONT Current Model Compatible Door Thickness: For 36mm, for PRONT Key Type: Cylinder included with Pocket Key (remote key) type, Pitatto Key (tag key) type, etc. ■ Set Contents Cylinders (top and bottom) x 2 Owner Keys (manual keys) x 2 (unopened) ■ Condition and Notes Please be sure to check the shape, markings, and door thickness of your current cylinder before purchasing to ensure compatibility. Check the "Markings": The cylinder front (door side) has the marking "ALPHA EC -Y7"