Feed rollers are transport rollers which are part of the feed device on moulders, surface-, thicknessing or four-side planers. Synchronously running, jointly driven rollers, which press the workpiece vertically onto the machine table and transport it horizontally through the machine by means of the rotary motion. In doing so, they should injure the workpiece as little as possible and under no circumstances should they spin. To reduce the frictional forces between the underside of the workpiece and the machine table, sliding agent or table rollers are used optionally. Depending on the application, plain, profiled or toothed feed rollers are used. However, profiled and toothed feed rollers always penetrate into the workpiece surface and can only be used where the surface is subsequently machined by upper horizontal cutter blocks.