A blade set for a hair cutting appliance, said blade set being arranged to be moved through hair in a moving direction to cut hair, said blade set comprising: - a stationary blade, comprising a first wall portion arranged to serve as a skin facing wall portion during operation, and a second wall portion, each wall portion defining - a first surface (80, 82, 84), - a second surface (86, 88, 90) facing away from the first surface (80, 82, 84), and - at least one toothed leading edge (32, 34) comprising a plurality of mutually spaced apart projections provided with respective tips, wherein the toothed leading edge (32, 34) at least partially extends in a transverse direction ( Y, t) relative to the moving direction assumed during operation, wherein the mutually spaced apart projections at least partially extend forwardly in a longitudinal direction ( X, r) approximately perpendicular to the transverse direction ( Y, t), wherein the first surfaces (80, 82) of the first wall portion and the second wall portion face each other, at least at their leading edges (32, 34), wherein, in a filled region, facing projections along the leading edges (32, 34) of the first and second wall portions are mutually connected at their tips to define a plurality of teeth, - a movable blade comprising at least one toothed leading edge (106, 106), said movable blade being movably arranged within a guide slot defined by the stationary blade, wherein, in a housing region, the first surfaces (80, 82) of the first wall portion and the second wall portion define therebetween the guide slot for the movable blade, wherein the guide slot, viewed in a cross-sectional plane perpendicular to the transverse direction (Y, t), at least partially extends into the forwardly extending projections to an inwardly facing end face of the filled region, wherein the toothed leading edge (106, 108) of the movable blade, when accommodated in the guide slot, is spaced apart from the end face of the filled region, thereby defining a clearance portion, characterized in that the movable blade leading edge (106, 108) and the end face are longitudinally spaced apart by a clearance longitudinal dimension (l cl) of less than 0.5 mm, and wherein, at the clearance portion, the first surfaces (80, 82) of the first wall portion and the second wall portion are spaced apart by a clearance height dimension (t cl) in the range of about 0.05 mm to about 0.5 mm. - a stationary blade, comprising a first wall portion arranged to serve as a skin facing wall portion during operation, and a second wall portion, each wall portion defining - a first surface (80, 82, 84), - a second surface (86, 88, 90) facing away from the first surface (80, 82, 84), and - at least one toothed leading edge (32, 34) comprising a plurality of mutually spaced apart projections provided with respective tips, wherein the toothed leading edge (32, 34) at least partially extends in a transverse direction ( Y, t) relative to the moving direction assumed during operation, wherein the mutually spaced apart projections at least partially extend forwardly in a longitudinal direction ( X, r) approximately perpendicular to the transverse direction ( Y, t), wherein the first surfaces (80, 82) of the first wall portion and the second wall portion face each other, at least at their leading edges (32, 34), wherein, in a filled region, facing projections along the leading edges (32, 34) of the first and second wall portions are mutually connected at their tips to define a plurality of teeth, - a first surface (80, 82, 84), - a second surface (86, 88, 90) facing away from the first surface (80, 82, 84), and - at least one toothed leading edge (32, 34) comprising a plurality of mutually spaced apart projections provided with respective tips, wherein the toothed leading edge (32, 34) at least partially extends in a transverse direction ( Y, t) relative to the moving direction assumed during operation, wherein the mutually spaced apart projections at least partially extend forwardly in a longitudinal direction ( X, r) approximately perpendicular to the transverse direction ( Y, t), wherein the first surfaces (80, 82) of the first wall portion and the second wall portion face each other, at least at their leading edges (32, 34), wherein, in a filled region, facing projections along the leading edges (32, 34) of the first and second wall portions are mutually connected at their tips to define a plurality of teeth, - a movable blade comprising at least one toothed leading edge (106, 106), said movable blade being movably arranged within a guide slot defined by the stationary blade,