... is optional 3.Electro-static powder coating,antirust 4.customi Safe box/strongbox with security 1>Material:* Cold rolled sheet ... .Door thickness: 3-10mmBody thickness: 1-5mm* Internal mechanical locking system by steel. 2>Surface Finish:* Electro-static powder coating ... , red, orange, brown. 3>Idea use:* Home digital safe, household safe, security safe box, electronic safty box,* Ideal for home use, to ...