SBT-2: HS/College professional batting tee. Used for baseball and softball swing training and by coaches of elite athletes. Adjusts from 27-42 inches. The heavyweight construction eliminates the need of adding weights to stop tip-over during training. The patented internal magnetic stem assembly will never fail to keep the ball height exactly where you want it. Includes 2 slip-on replacement ball rests and a 5 year limited warranty. Weight approx. 18.5 lbs. US made by Sledgebats.