The Factory Weights Technique Barbell is perfect for beginners and juniors who want to learn proper technique for olympic lifting and powerlifting movements. The aluminium shaft means the bar is lighter than an olympic bar but gives the same shaft length and diameter. The Red/Blue knurl marking clearly define the IPF/IWF distances respectively. These make hand positioning/set up memorable when learning the lifts. Designed for technique plates and bumper plates. Specification: Total Length: 183cmWeight: 7kg Approx.Shaft Length: 131cmShaft Diameter: 28mmLoadable sleeve length: 24cmSleeve Diameter: 50mm (2")Shaft Material: AluminiumSleeve Material: Black ZincRated to: 100kg2 bronze bushings per sleeve, dust proof.Knurl type: MediumKnurl Marks: IPF(Red)/IWF(Blue)Center Knurling: No