Flexible installation: can be installed on either wood or metal door; The door chain is strong and for long use, not easy to deform; Security guard-- easy to install and operate; can not be unlocked from the outside, unlocks easily from the inside; stainless steel material, and non-, hard and sturdy; The door chain is thickened, abrasion-proof, and convenient to use

What's in the box
2 x Chains