Pemko SIM150-3 Simultaneous Telescoping Acting System For use with 3-panel systems going in a single direction or two 3-panel systems meeting in an opening. Each system is available with a locking kit or a surface bolt kit Accommodates up to 176 pounds per panel For Interior Doors Overhead Mount 2803 Aluminum track is required (please order separately) Downloads Pemko SIM150-3 Catalog (.) Pemko SIM150-3 Cut Sheet (.pdf) Pemko SIM150-3 Installation Instructions (.pdf) Close Interested in this product? Contact us to order Related products Pemko SIM200ASimultaneous Action Hardware for doors up to 200lbs each Pemko H180ADoors up to 180lbs each Side Wall or Overhead Mount Pemko HBP200ABypass doors up to 200lbs each Side Wall or Overhead Mount