A handle for a hand tool includes a body, a guider, and a movable assembly. The body has a chamber, a connecting portion, and an opening. The chamber is defined in the body. The connecting portion is defined in the body for assembling a tool bit. The opening is defined in the body and communicating with the chamber. The guider is inserted into the chamber. The guider has a spindle, a first positioner, a second positioner, and multiple guiding fins. The movable assembly includes a clamping seat movably received in the chamber and a puller mounted on the clamping seat. The clamping seat has a through hole, a shoulder, and multiple clamping units. The through hole is defined through the clamping seat for receiving the guider.