Защита ворот защелка Офис Отель Нержавеющая сталь литье Сверхмощный Замок с винтами дверная цепь Защитная внутри безопасности дома

Features:
Usage: Be used as a secondary or additional safety feature for hinged swing-in doors.
Protection: It offers great protection for forced entry since this mechanism surely would have added time to call the polices and prepare to defend yourself.
Material: The security door guard are all machined from top grade solid zinc alloy with.
Surface Treatment: perfect surface treatment, anti-rust,durable and strong.
Installation: Comes with rust-proof screws for installation.Constructed from stainless steel,this will provide extra strength.
Specifications:
Item Name: Door Chain
Main Material: Zinc Alloy
Chain Material: Stainless Steel
Chain Length: About 77mm
Thickness: About 43mm
Type: A, B, C, D, E, F
Package Included:
1pc x Door Chain
1pc x Screw Kit
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.