Bolt-on Shoes for trawl doors SIZES, DETAILS AND VARIATIONS: Download Pdf here. Bolt-on shoes - GFG 125-1Bolt-on shoes - GFG 145-1Bolt-on shoes - XUE390Bolt-on shoes - XUE595-2Bolt-on shoes - XUM390-2Bolt-on shoes - XUM595-2Bolt-on shoes - XUM735