Zinc Alloy or SS Invisible spring closer

The Invisible Spring Hinges gives you a spring closer that is totally invisible from either side of the door when the door is closed.  The Door Concealed Hinge With Spring once installed and the door is in the closed position, you can`t see them. The spring can be installed either inside the door or inside the door jamb. The closure rate of Invisible Spring Hinges is adjustable. The Zinc Alloy Cabinet Hinges is made of high strength plated steel / stainless steel and heavy duty zinc alloy castings or all stainless steel.  Allow one spring closer for every 75lbs of door weight. For sure , you can install more depanding on your needing. When installed they are virtually hidden from site when in the closed position. Invisible hinges are used in custom cabinetry applications in homes, restaurants and offices and bi-fold applications for creating a clean look. It is easy to install. These Hinges open a full 180 degrees and are a single action hinge. We are not only producing Zinc Alloy Hinges , but also making Hinges For Shower Rooms, Door Coordinators For Wooden Doors , Zinc Alloy Door Holders, Door Stops, etc.
Also Please review the descriptions below so you can order the correct Concealed Hinge for your application.

Features:

• Zinc Body or Stainless Steel 
• Steel Links or Stainless Steel 
• For Wood or Metal Applications
• Includes Screws
• 180 Degrees When Opened
• Minimum Door Thickness: 1-3/4"
• Heavy Duty Application