chain door guard chain door guard material: steel chain door guard size:85*40*0.9mm, 100*34*1.7mm chain door guardchain door guard material: steelchain door guard size:85*40*0.9mm,100*34*1.5mm, 150*40*1.7 and so onchain door guard finished:zinc plated or brass plated or nickle platedchain door guard packing:according to customer's requirement. chain door guard/DG-03