DETAILS: Power Rack Weight Plate Storage Horn Fits WB-PR Power Rack Only Does NOT fit WB-HR Half Rack. Weight Capacity Max Load ( lbs) 250lbs per weight horn Compatible with Powertec Power Rack from 2016 or later models Sold in Qty of : Set of 2 Designed to provide Weight Plates Storage on Power Racks, the Weight Plates Storage Horns feature Powertec's innovative gravity locking system.