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The Lockwood 2615DA is a Cam Action Door Closer with Slide Arm. Additional features include:- Can be adjusted to meet the requirements of a light door opening resistance while still strong enough top close the door- Successfully tested up to four hours (depending on type of doorset) on fire door assemblies in accordance with Australian Standard AS1905.1:2005- Two pressure relief valves are a standard feature to protect against abuse- Adjustable closing and latching speed, delayed action, back check and hold open- Covers right hand and left hand applications, pull side/push side applications and also features an adjustable arm height- Available in Black and Silver, with custom finishesavailable upon request- Available with stainless steel cover