143lbs Commercial Door Closer Heavy Duty Residential Hydraulic Auto Door-Closer Feature: High Quality Hardware Made of high quality hardware and carbon steel hardware, it is sturdy, durable and wear-resistant . Speed Adjustable With two independent valves, you can adjust closing and locking speed speed easily. Easy to Install It is easily installed by installation instructions. Application This Hydraulic door closer works with various types of doors: right and left opened doors, residential door, Commercial Door, wooden door, metal door, fire door, passage door, glass door with frame,hotel door, home and office doors, exterior and interior doors. NOTE: DO NOT rotate the axis of door closer to 180° before installation, otherwise it will be damaged or can not be used. Specification: For 99-143 lb Door WeightColor SilverMaterial Aluminum Alloy Finish Siliver Door closer size 6.9” x 1.6” x 2.4” Parallel arm size 8.7" and 9.7" Applies to door weight 99.2 lbs-143.3 lbApplies to door width 27.6”-43.3"Hole distance 6.4”x0.8” Weight 2.2lbs Door Open Angle Up to 180° Package Include: 1x Door Closer 1x Parallel Arm 1 Set of Screws 1 Manual