Briton 2130B.T.C Adjustable Power Slide Track Door Closer - Silver Cover plate and Silver Arm. Suitable for both Internal and External doors between 750-1100mm, 80kg Max Weight. Dual handed for either push or Pull side. 120 Minute Fire rating. Power size 2-4, Backcheck - Perfectly suited for doors in high traffic area's. Closing and Latch speed adjustments. 10 year guarantee. Heavy Duty fire rated door closer.