1 × Barbell Bar for Weightlifting. 【Secure Workouts with Spring Collars Included】 Includes 2 spring collars to lock weights firmly in place, preventing slippage during aggressive lifts. 【Ergonomic Curved Design for Wrist Relief】 This EZ curl bar features a wrist-friendly curved design that reduces stress on joints during bicep curls, tricep extensions, and other arm exercises.