Feature 1Made of high quality materials, sturdy, durable for long time use. 2304 stainless steel accessory, good bearing, not easy to fracture. 3Lightweight and small size, easy to carry, convenient to use. 4With elastic plastic ball, good grip feeling and even distribution of concave points on the surface, not easy to slide. 5It is an ideal accessory for you to do pull up and train arm strength.SpecificationFeatures: 1. Made of high quality materials, sturdy, durable for long time use. 2. 304 stainless steel accessory, good bearing, not easy to fracture. 3. Lightweight and small size, easy to carry, convenient to use. 4. With elastic plastic ball, good grip feeling and even distribution of concave points on the surface, not easy to slide. 5. It is an ideal accessory for you to do pull up and train arm strength. Specifications: Condition: 100% Brand New Item Type: Pull Up Training Ball Material: PU + 304 Stainless Steel + Plastic Color: Yellow Bearing: 200KG Package List: 1 * Pair of Ball 1 * Pair of Hanging Hook 1 * Pair of Belt Notes: 1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.