A working tool for mooring and general purposes. Comes with two soft plastic balls filled with coolant and air. Used with a line-box containing 100m/5mm line. Base unit with air cylinder holds sufficient air for 4-6 shots before refilling from a high-pressure compressor (200-300 bars) or a diving cylinder.
Technical data:

Range: 90m
Recoil max 5400N
Flight time 4 sec.
Contents:

2 Ball projectiles
1 Linebox 75
1 Users manual, video/CD