Describe:1-This Olympic bar is designed to withstand a weight of 330 pounds and is equipped with 2 spring coils.2-Olympic bar design allows for a variety of exercises such as bench press, rowing, squat, shoulder training or lunge squat. It can be used at home or taken to the gym to exercise muscles and relieve stress.3-The Olympic weightlifting bar is made of high-grade steel material, which has unparalleled oxidation resistance. It will not rust and deform after several years of normal use.​​​4-This Olympic weightlifting bar uses knurled handles to improve grip. These knurls not only increase friction, but also have anti-slip properties. They can improve the safety of exercise.5-The smooth rotating sleeve prevents deformation and reduces excessive pressure on the wrist, allowing you to exercise more safely.Parameter：Material: Q235 steelSurface material:ChromeGrip type: knurledMax Load: 330lb(150kg)Packing size: 88.1x3.5x3.5inch (224x9x9cm)Product size: 86x2x2inch (220x5x5cm)Gross weight: 37.4lb (17kg)Net weight: 34lb (15.5kg)Total length: 86inch (220cm).Sleeve Diameter:1.96inch(5cm)Sleeve Length:15.3inch(39cm)Grip length: 53inch (135cm)Grip diameter: 1.2inch (3cm)Contain：1X barbell bar2X snap ring