Line visibility (or lack thereof) has always been a key factor in choosing a main line, followed by strength and casting properties. The Technium Invisitec from Shimano integrates all three factors thanks to its triple core technology, so no compromises have to be made! For years, specimen hunters have been using Technium for its exceptional reliability, now it is available in lighter rip trunks to meet the needs of all anglers. A monofilament that is practically invisible in the water and helps it to fuse with any lake bottom. Three-layer construction provides low stretch properties for better bite detection. Exceptional resilience. Excellent casting properties. Sinks quickly and stays on the bottom. Loose bobbins are stored in a storage box.