These TCT Planer **** are ideal for machining abrasive exotic timbers or for those regularly preparing hardwoods. Also should be used when machining glued panels. Economically priced and in packs of 4, will fit the Axminster AW128PT planer thicknessers or similar machines from other brands. 310 x 30 x 3mm. Not as sharp as HSS but holds an edge for far longer. Resharpenable using a Silicon Carbide "Green" grinding wheel.