100% brand new and high quality Realistic Ball Movement-- Improve your hitting technique without ever chasing a ball with this volleyball training aid. Work on arm swing, ball contact and footwork without the need of another person. Benefits-- A great trainer to improve your wicked-fast arm speed and spiking power. Perfect for hitting, conditioning, and agility drills. Ease to Use-- It comes with a large hook to easily connect it to basketball rings, poles, broom handles, backyard playsets, garage ceilings, and many more. Kindly Note-- The height can be adjusted a little bit with the buckle on nylon strap ( up to 7.5cm / 2.95"). The longest length of the nylon strap is 43cm / 17", the ball holder pouch is 32cm / 12.6". A Must Have for Spiking Techniques-- Lightweight, and durable, the Spike Trainer holds the ball securely in place while the attacker develops form and hitting techniques, ideal for use at camps, clinics and practices at all levels. Caution 1. Using different monitors, different computers and different angles to take photos may have angular colour issues. 2. Purely manual measurement, there may be 0-1cm error.