The Double System comes with two 8” arms and everything needed to display two mounts that are 35lbs or less. (70lbs total) This system is great for all Whitetails, Mule Deer, Antelope, African Deer, etc. All systems must be attached to a wall stud. Provided hardware must also be used. Please read all instructions to install systems properly. 3/16” Steel Plates, Two 1” x 3/8” Steel Swing Arms 8” long, Both arms pivot in two places giving you 180 degrees of display options, Holds 35 lbs. per arm, Great for Whitetails, Mule Deer, Antelope, Sheep, etc. (Package includes everything needed to install system)