Door closer kit for side hinged (SH) trash / linen / recycle chute doors by Wilkinson Hi Rise Silver color; includes brackets and arms as shown Apprx 8" long closer body / piston normally retracted; same item for right hand / left hand doors For SH doors size 15" x 15", 18" x 18", 21" x 21", and 24" x 24" (measure only part of door that moves) Note: Chute door brand name (Wilkinson, Midland, etc.) located on UL label on door edge FACTORY SPEC ITEM - BEWARE OF IMITATIONS