Global Industrial pallet racks offer quick and easy, tool free assembly for all your pallet storage needs. These pre-configured starter and add-on industrial storage rack systems are made of durable heavy gauge steel for years of service. Add-on unit includes 1 upright frame and 2 pairs of shelf beams. Heavy duty, one-piece 13 gauge steel uprights allow height adjustments at 2" increments for easy beam adjustment. High strength 15 gauge steel beams have a 1-5/8"H step beam design that accommodates cross bars and decking. Beams provide secure connection to upright frame using a positive 6-way locking action; right to left, front to back and up and down. Lock automatically snaps into place and secures beam. Welded braces provide maximum rigidity and stability. 3-1/4" x 4-1/4" x 12 gauge welded base plate anchors upright to floor and distributes weight evenly. Uprights feature a long lasting epoxy finish. The pallet should overhang the frame by 3" front and back. Interchangeable with Teardrop styles of the following manufacturers: Interlake, Kingway, Steel King, USP, Wireway/Husky, Unarco and Speed Rack. Easy assembly.