7.5cm diameter micro reel supplied in 3 convenient sizes, providing you with an easy to store & compact solution for marking routes. The spool in manufacturered from high grade polymer, designed & engineered to resist the harsh reality of adventurous technical divers. 

Rust free, stainless steel double ended bolt snap provide an anchoring point which may be clipped on to equipment or submarine features. The high strength marine grade cord should provide many years of intensive use.