... Cold rolled sheet steel 2.single&double door is optional 3.Electro-static powder coating,antirust 4.customi Safe box/ ... for making door and body.Door thickness: 3-10mmBody thickness: 1-5mm* Internal mechanical locking system by steel. 2>Surface Finish:* Electro-static ... dark grey, black, and also brilliant blue, red, orange, brown. 3>Idea use:* Home digital safe, household safe, security safe box ...