Descripción del producto

1, The most important point is in the fiberglass spring, you can see in the middle of the spring, we brick two holes in ***** brings about the usefuly spring is much longer than the normal ***** brings about the professional model can jump much higher than normal model.So much people will love to play with the professional model, just because it can jump higher, they can do more movement, it really can jump 2.4meter until now.you can see the photo who is the champion of Russia.He was useing our professional model and got the *****'s the true. 2, you can see the quick release in the knee protector, it's easy to measure the different long, no need to use the spanner for measuring it. 3, we will use the power strape for the foot pad. when the people jump, the power strape will tie the feet closely. 4, we will use the more durable rubber ***** more player said that our rubber feet is easy to finish.so we change the more durable one.you can see the photo.and this rubbe feet will be more *****'s no easy to slip. 5, we will use the colorful spring in the professional model, different people can choise different color. 6, the CZ****-A is made of aiunium, it 7.5KG per *****'s very light. So many advantages we have *****'s why we call it professional model.Until now, only we have such technic for making the six holes spring.And every six holes spring we had tested by machin thousands time, it make sure that the spring is safe for the player.