Stiga WRB Energy: The unique combination of veneer and the special drying process that Stiga use creates a very light blade that offers a perfect mix between speed and control that is unique to Stiga. This combination creates optimum feel that all players desire. The Stiga WRB Energy is the same as the Stiga Energy but it has the hollow-handle feature of the WRB handle, which enhances the balance of the blade and lightens it. WRB: W=Weight balance. The balance of the blade is scientifically moved to the point contact is made with the ball. R=Rate of recovery. Due to the decrease in blade weight the player improves his rate of recovery after each stroke. B=Ball sensitivity. The scientifically positioned recess in the handle provides extra sensitivity of touch.