LOCK A, Cylindrical lock is perfect for residential B, Long durability and reliability C, Being not easy to depigmentize and oxidate due to its bright & steady surface treatment D, Prompt delivery E, Solid brass or stainless steel construction F, Standard backset 60 or 70mm G, Fit door thickness 30-50mm H, Different functions are available I, Different finishes are available (SP SS PS SB AB AC ,etc.) J, Fashion andelegant appearance K, Easy installing L, Reversible and convenient M, Including 3 brass keys N, Package :box ,blister, carton. O, OEM & ODM service offered. 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.