Jako Heavy Duty Door Closer 330 Lbs JK4041

· Base material: Aluminum
· Plastic cover
· Min. door width: 31-1/2”
· Max. door width: 37-3/8”
· Door thickness: 1-1/2” - 2-3/8”
· Cycle testing: 500,000 opening cycles
· Heavy duty commercial use
· Multi-power, power adjustable 1-4,2-5,3-6
· Adjustable delay-action