●30pieces tree limb spreaders are reusable, thickness, 15Pieces black 4.9inch in length and 15Pieces blue 5.1inch in length .An effective way to train a trees structure,all of the branches were growing nearly vertical. ●Tree branch modelling tool is easy to install,simply select a good angle to secure the branch. widely used in small branches. ●Limb spreaders for training limbs to make the entire tree stronger, less susceptible to wind, etc. damage,perfect for training young trees to produce more fruit in indoor and outdoor plants . ●Bonsai open angle tree branch trunk tool to prevent young branches from sagging from sagging and developing them horizontally.