• This heavy-duty pneumatic (compressed air) door closer from Ideal Security is suitable for heavy aluminum, steel or wood storm doors over 1-1/2" thick
• The flat torsion bar on the closer will flex and come under pressure, helping to lock heavier doors
• Door closing speed is adjustable via the air adjustment screw
• Stainless aluminum cylinder
• A quick-release washer is included for easy closing when used to hold the door open
• To protect your door and closer from damage, we recommend the addition of a wind chain (SK14)
• Easy to install, using existing holes in your door
• If your door doesn't already have this type of closer, new holes may be required
• The closer can be installed at the top, middle or bottom of your door, depending on its structure
• Brackets and screws required for installation are included
• Color: white