Pro 7 ft Olympic Barbell: HANDBODE 45 lb (20 kg) Olympic barbell is made of high-quality alloy steel. It's ideal for intense strength training, delivering an exceptional experience every time. Upgrade hybrid needle-bearing leads to consistent and smooth rotation with added durability, as well as a dampening effect to reduce noise when the barbell is dropped. Solid Knurled Grips: The bar features a 1.1 in (28 mm) shaft with professional knurling that ensures a solid grip. Dual knurl markings(IWF & IPF) help you find the right spot on the barbell during workout. The sleeves with smooth chrome e-coating can greatly reduce pressure on your wrists and forearms and make it easy load and unload weights.