The Multi-Sharp® MS1501 4- in-1 Garden Tool Sharpener, sharpens anvil blade secateurs/ pruners and loppers; pruning knives; weed knives; grass hooks and scythes. Also sharpens household and pocket knives. Simply place the guard over the cutting edge and draw the sharpener across the blade. The diamond honed tungsten carbide cutters quickly bring back an extremely sharp edge in minutes. Not suitable for scalloped/ serrated edges. ATT1501