RIVAL I-BEAM ROLLER MOUNTING - 4.5"-7"

This Heavy Bag Mounting System with 3/16" powder coated steel, easily attaches to I-Beams that are between 4.5" and 7" wide.
Roll it out and lock into position and/or leave it unlocked and let the bag move with you, intensifying your workout.
• Great for Commercial Gyms or In Home Use.
• Mounting hardware is included.