B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
B26B21/14—Safety razors with one or more blades arranged transversely to the handle
B26B21/18—Safety razors with one or more blades arranged transversely to the handle involving blades with two cutting edges