1, E-computer key 2.Materials:brass,etc 3.Key way:S or E way 4.Finish:NP,NB,SN,BP,etc 5.Used:bedroom,public area,etc Brass computer keySpecifications:(1) Material: brass, zinc alloy ,aluminum alloy, etc.(2) Different finish color and sizes available(3) Key way: S-groov key(Normal key) or Computer key(4) Used in bedroom, public areas and etccylinder typesurface ...