Frost World's Greatest Dad Folding Knife,Stainless Clip and Spey Blade, Brown Jigged SET108WGD. Frost Cutlery - World''s Greatest Dad Trapper. Model FSET108WGD. 4 1/8" closed. Stainless clip and spey blades. Master blade etched "World''s Greatest Dad". Brown jigged bone handles. Nickel silver bolsters. Wood display box with artwork on lid.