We are talking about serious abrasion resistance! Kryston Ton Up is a gravel brown hook length that will handle monsters in giant weed beds, Grand Canyon boulders, Zambezi gravel bars or any nightmare swim! If you are fishing for giant Wells Catfish, Indian Mahseer, Nile Perch, monster Sturgeon or any fish in excess of 100lbs look no further!As a shock or rubbing leader Kryston Ton-Up has no equal. It will stand up to the rigours of controlling and taming huge creatures in snag infested waters. Ton-Up is an incredibly strong line but still of a reasonable diameter. It is a must for the traveling specialist angler.