Improve speed, strength, acceleration, leaping, first step quickness, stride frequency, and length.effective means of getting fast in a short period of time. Great way to build explosive power in the legs and enhance multidirectional quickness and power. A resistance tubing covered fully by fabric sheath provides maximum safety. Improve speed, strength, acceleration, leaping, first step quickness, stride frequency, and length. Increases sprinting speeds above normal. Most effective means of getting fast in a short period of time. Great way to build explosive power in the legs. Enhance multidirectional quickness and power. Resistance tubing covered fully by fabric sheath to provide maximum safety. Use for lateral drills. 3m Set Includes: Two adjustable padded waist belts Flexible, 3m (10ft) long rubber cord with a safety fabric sheath to stop overextension Storage bag 6m Set Includes: Two adjustable padded waist belts. Flexible, 6m (20ft) long rubber cord with a safety fabric sheath to stop overextension. Storage bag. Colour: Orange/Black. Size: Available(3m & 6m). Can be applied to lateral drills when two overspeed trainers are connected to one athlete and held in resistance by two other athletes.Supplied as Atreq 3m Overspeed Trainer or Atreq 6m Overspeed Trainer.