... antisoundproof,shockproof,warmth preserved 2.high quality burglarproof lock 3.elegant, smoothand slicent to open Company Introduction: ... frame:1mm Please specify! Our general specification for steel security door: 1. Cheap steel door with stainless steel doorsill ... requirement (height*wigth*depth)8.Accesspries: Invisible hinges,multipoint lock, handles, peephole,doorbell,rubber seal, installing bolts.9 ...