One-hand bat set and a set of 2 bat weights Durable wooden training bat, BuwLeague model. - Model Name: BuwLeague Training Bat - Model Name: Baseball Training Bat - Color: Black - Material: Wood - Usage: Training bat - Features: Durable design Weights: Green 230g, Yellow 570g Significantly increases swing power. The one-hand bat effect makes it easier to smoothly bring the bat through the hitting zone close to the body. #TrainingBat #BatWeight