2) Cerakote Training BarCerakote coating: Cerakote, polymer-ceramic coating that offers an excellent level of protection. Good hydrophobic properties prevents corrosion resistance, improves impact strength, and has perfect chemical resistance in the most harsh environments.Material: Ally steel; shaft coating: cerakote; sleeve coating: chrome ;Lifelong Use: We have enhanced the surface treatment and hardening process of our proprietary steel, and we are full of confidence in lifelong use; Package: 1pc/strong paper tube, around 1000kg/wooden case.We offer a variety of specialty bars for Olympic and Power Lifting. No matter what your needs are for weightlifting, we have a bar that will suit your needs! These bars are crafted with high-quality materials and finished in durable coatings to provide a long-lasting barbell that offers exceptional performance. Made to accommodate weight plates with a 50mm(2-inch) center hole, also known as Olympic Weights.1) Olympic Professinal Weight Lifting BarMen’s Professional Bar: 2200mm(7.2 feet) length design, 445mm(17.5 inches) loadable sleeve length and with dia 50mm, the shaft length is 51.5 inches and 28mm diameter, tensile strength rating of 210,000 PSI, weight approximately 20kg(44lb) and can support a weight capacity of up to 1500 lbs; Women’s Professional Bar: 2010mm(6.6 feet) length design, 350mm(13.7 inches) loadable sleeve length and with dia 50mm, the shaft length is 51.5 inches and 25mm diameter, tensile strength rating of 210,000 PSI, weight approximately 15kg(33lb) and can support a weight capacity of up to 1000 lbs; Material: Ally steel; shaft and sleeve coating: hard chrome/black zinc ;Bushing/bearing:Olympic bar use 8 needle bearings and 2 brass bearing, each of the rotating sleeves with 4 needle bearings for smooth sleeve rotation, designed to reduce pressure on wrists and forearms.Features: The sleeves are designed with snap clips and the bar features medium depth diamond knurling for a secure grip when lifting heavy; Built to accommodate any 2 inch Olympic plates.