Rocketter Hover Lock No. 3.5 (13 pieces), No. 4 (1 piece) About half are unused. They will be sent with a case. One new one is included. Please refer to it for usage instructions. You can attack areas that couldn't be reached with a normal distance, about 1.5 times further. If you're thinking of reaching a little further, please give it a try. The booster float included in the new case can also be used with similar float fishing foam balls. For those who are interested, please!