The Ocean Pro Finger Spools can be used as jump reels or in combination with marker buoys (DSMBs) and lift bags, or as underwater orientation lines. Diver of all levels can use this spool to set DSMBs to mark their position underwater.
It is available in 3 different sizes: 15m, 30m & 45m. It weighs about 0.15kg. The double-end stainless steel bolt snap is included.