Lockwood 8014 Door Closer8014SIL PLEASE NOTE: This item is Non returnable. Upon placing your order, it CAN'T be cancelled or returned (unless faulty or damaged) This is a non-stocked item which leaves the warehouse in 5 business days after payment is made. Door Closer is a mechanical device that closes a door in a controlled manner, preventing it from slamming. Door Closer Function - A hydraulic device that is used to automatically close a door after it has been opened. Door Closers are commonly used as a fire prevention measure, typically installed on fire doors, as well as helping to prevent draughts. Specifications: Height: 32mm Width: 42mm Length: 338mm Material: Aluminium Includes Fixing Screws: Yes AS1428.1 Compliant: Yes Fire Tested: Yes Spring Strength Size: 1-4 (EN1-4) Back Check Valve: Yes Adjustable Closing Speed: Yes Delayed Action: No Arm Type: Slide Rail Track Arm Max Door Width: 1100mm Min Door Thickness: 40mm Finish: Silver