3 pieces of DANKUNG cocktail slingshot bands

The cocktail bands feature high velocity and low pull force. A sharp increasement of the velocity than traditional tube band,while,a little bit increasement of the pull force. The inner tube is 1632 bands(red part). There are four types of outer tube. They are 2040, 1842, 1745, 2050. Please write your choice at comment textbox. The length of tube part is 6.3 inch, i.e. 16cm This product includes 3 bands you can specify different outer tube size.