The CAP Barbell 2-Inch Plate Holder can store up to 300 pounds of Olympic plates which was designed to work with both the CAP Barbell Multi-Functional Power and Squat Rack and the Fuel Pureformance Power Squat Rack units. These Olympic plate holder attachments are made of steel and finished off with a durable black powder coat. If you’re tired of tripping over plates or just limited on space, add the CAP Barbell 2-Inch Olympic Plate Holders for an easy space saving solution. Dimensions: 12.2” length x 5.12” width x 2.44” height