Tandem TSVERTICAL Vertical Challenger Jump Trainer 2900 can be towed via the

can be towed via the hitch pin

Transports and stores 48- 12" scooters or 48- 16" scooters or 32 all terrain scooters

Strong and lightweight - constructed of steel and aluminum

ball bearing

Both left-handed and right-handed batters will find this to be a useful and effective teaching aid

Tandem TSVERTICAL Vertical Challenger Jump Trainer 2900 can be towed via theHow high can you go? That's what you'll find out when you use the Tandem TSVERTICAL Vertical Challenger Jump Trainer. Better yet the more you try the higher you'll get. Before you know it you'll be spiking volleyballs to exact locations on the court with ease. With this Vertical Challenger Jump Trainer you can get a jump on the competition with the most affordable and accurate device on the market for measuring vertical jump! Telescopes from 4 to 12