Smart Card Hotel Good for hotel, company office. 3 Coputer brass key. Double role beads. Smart Card HotelMaterialZinc alloy, plasticFinishSP(30)Available For Hotel, villa, company office and family out door.Lock BodyS2161Door Thickness38-65 mmKeysComputer brass key in 3 pieceCylinderDouble role 7 beadsBackset55 mmCentral Distance of Lock Body72 mm