Home / Protect the door / Spring loaded door security chain “Half cylinder with one side key EPC with escutcheon – NMK” has been added to your cart. View cart 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 BOQ Category: Protect the door Tag: SNP Related products Concealed Hinge Quick View Add to BOQ Door viewer with flap Quick View Add to BOQ Thumb turn and external coin EPC with narrow style escutcheon Quick View Add to BOQ Both side keyEPC with narrow style escutcheon -MK Quick View Add to BOQ