Locinox Serval Spring Hinge C10834 The chain door restraint is

The chain door restraint is made up of two solid brass end brackets

Available in four functions:

Stainless steel spring butt hinges

3/16" thick

If three hinges are used the center hinge should be installed as close as possible to the top hinge for maximum support

Locinox Serval Spring Hinge C10834 The chain door restraint isThe Serval is a compact spring hinge with force adjustability which will tighten or loosen the spring inside the barrel to change the closing speed of the gate. The fiberglass reinforced polyamide housing protects the high tech internal components, allowing for perfect functionality in all weather conditions. Its 13 16" vertical and horizontal adjustability ensures an easy and flexible installation. Firmly fixed with self drilling screws no welding