The tough, matt camo tungsten coating sinks heavily and strips easily while being resilient to fracturing on knots. Straightens without steaming. The super strong Dyneema core has an achievable knot strength of over 30lb. 20lb+ Semi-Stiff The semi-stiff version is outstanding as an all-round coated hooklink. When combined with larger hooks and boilies it is still rigid enough to push the bait away from the lead for optimum rig efficiency and also makes an excellent boom for hinge rigs.