Product highlights from group training poten al to its revolu onary fric onless magne tank is, C brake a breakthrough in resistance training. Electrosta c paint coa ng on tanktm weight sled permits it to be used outdoors without fear of damage from the elements. Rubber coa ng on each handle gives users a firm grip point. Weight horns provide trac on with added weight and allow for accessory storage with the group anchor sta on. Carpet, Turf, Or rubber. Tank stm res provide you with the opportunity to train on any surface without fear of damage or noise. Variable magne c resistance brake system provides all of tank stm resistance. 4 adjustable levels of resistance allow you to train any level of athlete. Tow hooks on on both fronts of tanktm allow allow for pulling and challenging ba le rope exercises.