LEVER HANDLE LOCK A, Cylindrical lock is perfect for residential B, Long durability and reliability C, Solid brass or stainless steel construction D, Being not easy to depigmentize and oxidate due to itsbright surface treatment E, Standard backset 60 or 70mm F, Fit door thickness 35 to 50mm G, Different finishes are available (SP SS PS SB AB AC ,etc.) H, Different functions are available I, Prompt delivery J, Fashion andelegant appearance K, Easy to install L, Reversible and convenient M, Including 3 brass keys N, Package : box ,blister ,carton O, OEM & ODM service offerred If you're interested in our products please just feel free to contact us by sending email or inquiry.You'll be welcome all the time ,sincerely.