Home / Protect the door / Spring loaded door security chain Spring loaded door security chain Spring loaded door security chain for the main doors in satin nickle plated. Spring loaded door security chain quantity Add to Spec Category: Protect the door Tag: SNP Related products Half Cylinder Add to Spec Both side keyEPC with escutcheon -MK Add to Spec Half cylinder with one side key EPC with narrow style escutcheon -MK Add to Spec Half cylinder with one side key EPC with narrow style escutcheon – NMK Add to Spec