Trying to perfect your batting skills can be extremely frustrating when the pitching is erratic — you spend more time waiting for a decent pitch than perfecting your mechanics. A quality pitching ...

Are you trying to make it to the big leagues? It might be time to get a pitching machine. These automatic ball launchers allow you to practice swinging at different speeds and angles. From helping you ...

A rolling-ring drive inside the actuator converts rotary motion into linear motion. Uhing rolling-ring drives from Amacoil, Aston, Pa., convert the constant rotary motion of a plain shaft into ...