Ronstan Series 25 Jib Lead Cars, T-Track Traveller System is used for: Headsail sheet leads on boats up to 8m (26ft). It is: Low profile and lightweight Removable attachment pin to suit either Dyneema® Link or a shackle Integrated becket for 2:1 headsail sheet systems Length 4 in. M.W.L. 715 lb. B. L. 1540 lb. Weight 5.1 oz.