Product DescriptionName70mm ALU alloy door cylinder lock, Double opened Type Double opened (Single open and thumb turn without keys are both available)Item No.DLCY859-70D-ASNMaterialAlu alloy cylinder bodyFinishSatin nickel platedLength70mm (35mm+35mm )KeysComputerized brass keys .Profile15mmALU alloy materialThis product's link is for double opened ,70mm ,ALU alloy material But other material like zinc alloy or brass is also available at higher prices .Solid Alu alloy material Unit weight 60g/pcCylinder profileProfile is 15mm.We also have other cylinder with profile of16.5mm or 16.8mm Two types of keysThis product's link base on Computerized brass keys.But other common brass keys ,common iron keys are also available at lower prices .