Towable/ Lined. Track size: 1 1/4 in x 3/16 Ring I.D. 7/16 L 5 5/16 W 2 29/32 H 3 1/4 Weight 14oz. Welded stainless steel soinnaker pole sliders are constructed with formed rings that are heliarc welded to the side designed to bend under conditions of extreme force rather than fail suddenly.