A finger reel or finger spool is a great piece of gear to add to your kit. It can be used to deploy a surface marker buoy from below, to search or to measure underwater.
Made of ABS plastic, finger reel are simple to use and virtually indestructible in the water.
Yellow braided line for a better visibility
3 lengths as 20m, 30m and 50m
Small and low-profile, a spool fits nicely out of the way in a pocket or clipped off to a D-ring
Standard with a large stainless double ended clip.