30m Marine Buoyance Rope Coil with Clip Scuba Finger Reel Locking Spool. Made of corrosion-resistant and lightweight PC, 3.07 inch diameter (7.8 cm). Marine grade stainless steel bolt clamp, 3.94 inch (8.8 cm) length with internal spring. Small size, light weight and easy to carry, a valuable addition for any diving trip!
The Corrosion resistant light weight PC Finger Spool Reel is evocative, to say the least, but that's why you're drawn to it in the first place.