Feature:
1. Wide Application :Compatible with many toy shotguns, can be used as modification accessories for a variety of model.
2. Function : The spring can increase the range and dart speed and this spring has a tremendous amount of elasticity.
3. Sturdy and Durability : The spring is made of high quality spring steel, and it is sturdy and durability, not easy to age.
4. Compact and Portable : The spring is light and compact, will not add extra weight to your toy and damage its performance.
5. Convenient to Use :The spring is easy to install it on your toy, very convenient to use and modify your toys.