-Buy More pieces to enjoy extra favorable discounts. -Fast deliver out within 24-48 hours after you are making a payment. -Will be packed in a bubble bag for cover throughout transportation. DESCRIPTION: Advantage:Allow the door to be opened barely to guarantee secure viewingand ventilation.During this period, there isn't any deserve to worry about infants and small children running outside.A consumer standing exterior the door can never open the safety lock. PRODUCT PARAMETER: Material:Zinc alloy. Size:102*63MM. Color:Silver/Black/Red/Yellow/Gold. PACKAGE INCLUDES: 1*pc Door Buckle and 22mm screws are provided through default, if you would like screws of different sizes, please contact us. Notice: -If you've got any questions, be at liberty to contact us, we can provide you with the best provider . -there may be an error of 1-3mm thanks to various measuring instruments in the course of the measurement process. I hope you could listen in on it earlier than buying, thank you.