【Peace of Mind Guarantee】 In the unlikely event of any defects not mentioned in the description, we guarantee returns and refunds. Please refer to "About Returns and Refunds" in my profile for details. 【Product Number】 V-LX 5 A Sil 【Cylinder Type】 V18 Cylinder (Dimple Key) 【Cylinder Format】 LX Type Cylinder 【Color】 Silver 【Compatible Door Thickness】 43～53mm 【Quantity】 2 pieces / Each with 3 keys ※Keys are not identical. 【Compatibility Check】 ① Check the markings on the front of the lock installed on your door to determine the model name of the lock. ② Confirm that the cylinder format of the model name identified in ① is an LX type cylinder in photos ⑤ and ⑥. If it is an LX type, it can be installed. ※ If you provide the front markings and door thickness, we can also check compatibility for you.