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 & ODMservice 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.