Keep track of your vertical improvements with the Tandem Sports Vertical Jump Challenger. This ingeniously-designed telescopic pole accurately measures from four to twelve feet. Movable arms are stationed at one-inch intervals to provide precise readings every time. Think of all the sports in which an advantage in elevation means an advantage in the game: basketball, volleyball, football, soccer, tennis, the list goes on. And the Vertical Challenger can measure more than jus (more…)
