The Polanik Training Javelin 800g is a heavy-duty training implement for senior male athletes and masters throwers who train with an 800g javelin. Built by Polanik with the same quality and precision as their competition range, it delivers reliable flight characteristics for effective technique development and strength training. Regular training with a heavier implement builds the power and muscle memory needed to excel with the standard 700g competition javelin. A serious training tool for dedicated javelin athletes.