like others, i've made furled leaders from it and that works ok, but never used it for tippet. it's sort of kinky coming off the spool. i find its breaking strength inconsistent, especially at knotting. lets face it. it wasn't designed for angling applications and as a sewing application i think it sort of sucks. it just doesn't hold up very well and no telling how long its been sitting on the shop shelf. good mono tippet material isn't that expensive anyway.