Bars have 1.97" bar end diameter to ensure bars fit all standard plates with holes 2" or less. Made of fully solid heavy duty steel (not hollow) with more than 1000-Pound capacity. Designed for repeated use and long lasting. Extra long loadable sleeves allow you to load more weights., which allows you to perform with a greater range of muscle contraction and development. Multiple knurling positions and lengths for your convenience and safety. Regular and raised handles give you more flexibility when you work with them. Product Weight: 45 Pounds.