Abstract: A training bat for increasing the speed of the swing of a baseball batter. The training bat includes a tubular body with a first end including a grip and a sealing knob. A second end of the body includes a cavity therein with a detachable pin. The cavity within the tubular body includes a plurality of core members of various weights. A batter can vary the weight of the training bat by securing a selected core member within the cavity using the detachable pin. The pin may include a flexible clip member or a strap including hook and loop layers thereon for connecting a core member within the training bat. A knob boot extends from the knob and around the first end of the tubular body. A selected core member secured by the pin is held in a non-rotatable relationship with respect to the tubular body.

Abstract: A training bat for increasing the speed of the swing of a baseball batter. The training bat includes a tubular body with a first end including a grip and a sealing knob. A second end of the body includes a cavity therein with a detachable pin. The cavity within the tubular body includes a plurality of core members of various weights. A batter can vary the weight of the training bat by securing a selected core member within the cavity using the detachable pin. The pin may include a flexible clip member or a strap including hook and loop layers thereon for connecting a core member within the training bat. A knob boot extends from the knob and around the first end of the tubular body. A selected core member secured by the pin is held in a non-rotatable relationship with respect to the tubular body.