Towable/ Lined. Welded stainless steel spinnaker pole sliders are constructed with formed rings that are heliarc welded to the side, allowing them to bend under conditions of extreme force rather than fail suddenly. Track Size 1-1/4" X 3/16", Ring I.D. 2", Ring Stock 7/16", L 5-5/16", W 2-29/32", H 3-1/4", Weight 14 oz.