They may call it ""soft,"" but this sport we hit hard - practice with the Louisville Slugger"s UPM55 Pitching Machine. This is the only pitching machine that releases true underhand-motion softballs for fast-pitch drills and exercises. Features * Designed for fast-pitch softball practice * Pitches real softballs at speeds between 40 and 55 mph * Mechanical arm action design doesn"t need electricity * Can throw high, low, inside, outside, or directly down the middle of the plate * Appropriate for home use and younger players * Lightweight for easy mobility * Dimensions: 45L x 41H inches * Releases real softballs with an underhand motion * Pitches at speeds from 40-55 mph * Fully mechanical arm-action machine * Throws high, low, inside, outside, and middle balls