Arrone 1500 Door Closer - Silver Cover plate and arm. Suitbale for internal doors up to 1100mm or 80kg Max weight. Dual handed for either push or pull operation. 120 minute fire rating. Power Size 1-4. Backcheck, Delayed Action to allow slow moving pedestrians to pass through unhindered by the closing door, Closing and latch speed adjustments. 120 Minute fire rating. 10 Year guarantee. Medium duty fire door closer.