Allows both vertical and horizontal movement while eliminating undesirable twisting motion of the spinnaker pole. The car slide is a high strength, stainless steel car body. The pole acceptance jaw is stainless steel. Fits all standard 1-1/4" x 3/16" flat stainless or aluminum T-track.Recommended for 'UTR' and 'UXP' type spinnaker pole ends. Recommended for UTR and UXP type spinnaker pole ends.