7.5cm diameter micro reel supplied with a 30 metre line, provides an easy to store & neat solution used for marking routes and other activities. The spool is manufactured from high grade polymer, designed & engineered to stand the harshest technical diving. Supplied with Rust free, stainless steel double ended bolt snap which can be used to quickly attach the line to equipment etc. The super high strength marine grade line should provide many years of extensive use.